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A writing system is any conventional method of visually representing verbal communication. While both writing and speech are useful in conveying messages, writing differs in also being a reliable form of information storage and transfer.[1] The processes of encoding and decoding writing systems involve shared understanding between writers and readers of the meaning behind the sets of characters that make up a script. Writing
Writing
is usually recorded onto a durable medium, such as paper or electronic storage, although non-durable methods may also be used, such as writing on a computer display, on a blackboard, in sand, or by skywriting. The general attributes of writing systems can be placed into broad categories such as alphabets, syllabaries, or logographies. Any particular system can have attributes of more than one category. In the alphabetic category, there is a standard set of letters (basic written symbols or graphemes) of consonants and vowels that encode based on the general principle that the letters (or letter pair/groups) represent speech sounds. In a syllabary, each symbol correlates to a syllable or mora. In a logography, each character represents a word, morpheme, or other semantic units. Other categories include abjads, which differ from alphabets in that vowels are not indicated, and abugidas or alphasyllabaries, with each character representing a consonant–vowel pairing. Alphabets typically use a set of 20-to-35 symbols to fully express a language[citation needed], whereas syllabaries can have 80-to-100[citation needed], and logographies can have several hundreds of symbols.[citation needed] Most systems will typically have an ordering of its symbol elements so that groups of them can be coded into larger clusters like words or acronyms (generally lexemes), giving rise to many more possibilities (permutations) in meanings than the symbols can convey by themselves. Systems will also enable the stringing together of these smaller groupings (sometimes referred to by the generic term 'character strings') in order to enable a full expression of the language. The reading step can be accomplished purely in the mind as an internal process, or expressed orally. A special set of symbols known as punctuation is used to aid in structure and organization of many writing systems and can be used to help capture nuances and variations in the message's meaning that are communicated verbally by cues in timing, tone, accent, inflection or intonation. A writing system will also typically have a method for formatting recorded messages that follows the spoken version's rules like its grammar and syntax so that the reader will have the meaning of the intended message accurately preserved. Writing
Writing
systems were preceded by proto-writing, which used pictograms, ideograms and other mnemonic symbols. Proto-writing
Proto-writing
lacked the ability to capture and express a full range of thoughts and ideas. The invention of writing systems, which dates back to the beginning of the Bronze Age
Bronze Age
in the late Neolithic Era
Neolithic Era
of the late 4th millennium BC, enabled the accurate durable recording of human history in a manner that was not prone to the same types of error to which oral history is vulnerable. Soon after, writing provided a reliable form of long distance communication. With the advent of publishing, it provided the medium for an early form of mass communication. The creation of a new alphabetic writing system for a language with an existing logographic writing system is called alphabetization, as when the People's Republic of China
People's Republic of China
studied the prospect of alphabetizing the Chinese languages with Latin
Latin
script, Cyrillic script, Arabic script, and even numbers,[2] although the most common instance of it, converting to Latin
Latin
script, is usually called romanization.

Contents

1 General properties 2 Basic terminology

2.1 Text, writing, reading and orthography 2.2 Grapheme
Grapheme
and phoneme 2.3 Glyph, sign and character 2.4 Complete and partial writing systems 2.5 Writing
Writing
systems, languages and conceptual systems

3 History 4 Functional classification

4.1 Logographic systems 4.2 Syllabic systems: syllabary 4.3 Segmental systems: Alphabets 4.4 Featural systems 4.5 Ambiguous systems

5 Graphic classification 6 Directionality 7 On computers 8 See also 9 References

9.1 Citations 9.2 Sources

10 External links

General properties[edit]

Chinese characters
Chinese characters
(漢字) are morpho-syllabic. Each one represents a syllable with a distinct meaning, but some characters may have multiple meanings or pronunciations

Writing
Writing
systems are distinguished from other possible symbolic communication systems in that a writing system is always associated with at least one spoken language. In contrast, visual representations such as drawings, paintings, and non-verbal items on maps, such as contour lines, are not language-related. Some symbols on information signs, such as the symbols for male and female, are also not language related, but can grow to become part of language if they are often used in conjunction with other language elements. Some other symbols, such as numerals and the ampersand, are not directly linked to any specific language, but are often used in writing and thus must be considered part of writing systems. Every human community possesses language, which many regard as an innate and defining condition of humanity. However, the development of writing systems, and the process by which they have supplanted traditional oral systems of communication, have been sporadic, uneven and slow. Once established, writing systems generally change more slowly than their spoken counterparts. Thus they often preserve features and expressions which are no longer current in the spoken language. One of the great benefits of writing systems is that they can preserve a permanent record of information expressed in a language. All writing systems require:

at least one set of defined base elements or symbols, individually termed signs and collectively called a script;[3] at least one set of rules and conventions (orthography) understood and shared by a community, which assigns meaning to the base elements (graphemes), their ordering and relations to one another; at least one language (generally spoken) whose constructions are represented and can be recalled by the interpretation of these elements and rules; some physical means of distinctly representing the symbols by application to a permanent or semi-permanent medium, so they may be interpreted (usually visually, but tactile systems have also been devised).

Basic terminology[edit]

A Specimen of typefaces and styles, by William Caslon, letter founder; from the 1728 Cyclopaedia

In the examination of individual scripts, the study of writing systems has developed along partially independent lines. Thus, the terminology employed differs somewhat from field to field. Text, writing, reading and orthography[edit] The generic term text[4] refers to an instance of written or spoken material with the latter having been transcribed in some way. The act of composing and recording a text may be referred to as writing,[5] and the act of viewing and interpreting the text as reading.[6] Orthography refers to the method and rules of observed writing structure (literal meaning, "correct writing"), and particularly for alphabetic systems, includes the concept of spelling. Grapheme
Grapheme
and phoneme[edit] Main articles: grapheme and phoneme A grapheme is a specific base unit of a writing system. Graphemes are the minimally significant elements which taken together comprise the set of "building blocks" out of which texts made up of one or more writing systems may be constructed, along with rules of correspondence and use. The concept is similar to that of the phoneme used in the study of spoken languages. For example, in the Latin-based writing system of standard contemporary English, examples of graphemes include the majuscule and minuscule forms of the twenty-six letters of the alphabet (corresponding to various phonemes), marks of punctuation (mostly non-phonemic), and a few other symbols such as those for numerals (logograms for numbers). An individual grapheme may be represented in a wide variety of ways, where each variation is visually distinct in some regard, but all are interpreted as representing the "same" grapheme. These individual variations are known as allographs of a grapheme (compare with the term allophone used in linguistic study). For example, the minuscule letter a has different allographs when written as a cursive, block, or typed letter. The choice of a particular allograph may be influenced by the medium used, the writing instrument, the stylistic choice of the writer, the preceding and following graphemes in the text, the time available for writing, the intended audience, and the largely unconscious features of an individual's handwriting. Glyph, sign and character[edit] The terms glyph, sign and character are sometimes used to refer to a grapheme. Common usage varies from discipline to discipline; compare cuneiform sign, Maya glyph, Chinese character. The glyphs of most writing systems are made up of lines (or strokes) and are therefore called linear, but there are glyphs in non-linear writing systems made up of other types of marks, such as Cuneiform
Cuneiform
and Braille. Complete and partial writing systems[edit] Writing
Writing
systems may be regarded as complete according to the extent to which they are able to represent all that may be expressed in the spoken language, while a partial writing system is limited in what it can convey.[7] Writing
Writing
systems, languages and conceptual systems[edit] Writing
Writing
systems can be independent from languages, we can have multiple writing systems for a language, e.g., Hindi and Urdu;[8] and we can have one writing system for multiple languages, e.g., the Arabic script. Chinese characters
Chinese characters
were also borrowed by variant countries as their early writing systems, e.g., the early writing systems of Vietnamese language
Vietnamese language
until the beginning of the 20th century. To represent a conceptual system, we use one or more languages, e.g., mathematics is a conceptual system[9] and we may use first-order logic and a natural language together in representation. History[edit] Main article: History of writing

Table of scripts in the introduction to Sanskrit-English Dictionary by Monier Monier-Williams

Writing
Writing
systems were preceded by proto-writing, systems of ideographic and/or early mnemonic symbols. The best known examples are:

Jiahu
Jiahu
symbols, carved on tortoise shells in Jiahu, c. 6600 BC Vinča symbols
Vinča symbols
(Tărtăria tablets), c.5300 BC Early Indus script, c. 3500 BC. Nsibidi
Nsibidi
script, c. before 500 AD

The invention of the first writing systems is roughly contemporary with the beginning of the Bronze Age
Bronze Age
in the late Neolithic[dubious – discuss] of the late 4th millennium BC. The Sumerian archaic cuneiform script and the Egyptian hieroglyphs
Egyptian hieroglyphs
are generally considered the earliest writing systems, both emerging out of their ancestral proto-literate symbol systems from 3400 to 3200 BC with earliest coherent texts from about 2600 BC. It is generally agreed that Sumerian writing was an independent invention; however, it is debated whether Egyptian writing was developed completely independently of Sumerian, or was a case of cultural diffusion. A similar debate exists for the Chinese script, which developed around 1200 BC. Chinese script
Chinese script
are probably an independent invention, because there is no evidence of contact between China and the literate civilizations of the Near East,[10] and because of the distinct differences between the Mesopotamian and Chinese approaches to logography and phonetic representation.[11] The pre-Columbian Mesoamerican writing systems
Mesoamerican writing systems
(including among others Olmec
Olmec
and Maya scripts) are generally believed to have had independent origins. A hieroglyphic writing system used by pre-colonial Mi'kmaq, that was observed by missionaries from the 17th to 19th centuries, is thought to have developed independently. Although, there is some debate over whether or not this was a fully formed system or just a series of mnemonic pictographs. It is thought that the first consonantal alphabetic writing appeared before 2000 BC, as a representation of language developed by Semitic tribes in the Sinai-peninsula (see History of the alphabet). Most other alphabets in the world today either descended from this one innovation, many via the Phoenician alphabet, or were directly inspired by its design. The first true alphabet is the Greek script which consistently represents vowels since 800 BC.[12][13] The Latin
Latin
alphabet, a direct descendant, is by far the most common writing system in use.[14] Functional classification[edit] For lists of writing systems by type, see List of writing systems.

This textbook for Puyi
Puyi
shows the English alphabet. Although the English letters run from left to right, the Chinese explanations run from top to bottom then right to left, as traditionally written

Several approaches have been taken to classify writing systems, the most common and basic one is a broad division into three categories: logographic, syllabic, and alphabetic (or segmental); however, all three may be found in any given writing system in varying proportions, often making it difficult to categorise a system uniquely. The term complex system is sometimes used to describe those where the admixture makes classification problematic. Modern linguists regard such approaches, including Diringer's[15]

pictographic script ideographic script analytic transitional script phonetic script alphabetic script

as too simplistic, often considering the categories to be incomparable. Hill[16] split writing into three major categories of linguistic analysis, one of which covers discourses and is not usually considered writing proper:

discourse system

iconic discourse system, e.g. Amerindian conventional discourse system, e.g. Quipu

morphemic writing system, e.g. Egyptian, Sumerian, Maya, Chinese phonemic writing system

partial phonemic writing system, e.g. Egyptian, Hebrew, Arabic poly-phonemic writing system, e.g. Linear B, Kana, Cherokee mono-phonemic writing system

phonemic writing system, e.g. Ancient Greek, Old English morpho-phonemic writing system, e.g. German, Modern English

Sampson draws a distinction between semasiography and glottography

semasiography, relating visible marks to meaning directly without reference to any specific spoken language glottography, using visible marks to represent forms of a spoken language

logography, representing a spoken language by assigning distinctive visible marks to linguistic elements of André Martinet's "first articulation" (Martinet 1949), i.e. morphemes or words phonography, achieving the same goal by assigning marks to elements of the "second articulation", e.g. phonemes, syllables

DeFrancis,[17] criticizing Sampson's[18] introduction of semasiographic writing and featural alphabets stresses the phonographic quality of writing proper

pictures

nonwriting writing

rebus

syllabic systems

pure syllabic, e.g. Linear B, Yi, Kana, Cherokee morpho-syllabic, e.g. Sumerian, Chinese, Mayan consonantal

morpho-consonantal, e.g. Egyptian pure consonantal, e.g. Phoenician alphabetic

pure phonemic, e.g. Greek morpho-phonemic, e.g. English

Faber[19] categorizes phonographic writing by two levels, linearity and coding:

logographic, e.g. Chinese, Ancient Egyptian phonographic

syllabically linear

syllabically coded, e.g. Kana, Akkadian segmentally coded, e.g. Hebrew, Syriac, Arabic, Ethiopian, Amharic, Devanagari

segmentally linear

complete (alphabet), e.g. Greco-Latin, Cyrillic defective, e.g. Ugaritic, Phoenician, Aramaic, Old South Arabian, Paleo-Hebrew

Classification by Daniels

Type Each symbol represents Example

Logographic morpheme Chinese characters

Syllabic syllable or mora Japanese kana

Alphabetic phoneme (consonant or vowel) Latin
Latin
alphabet

Abugida phoneme (consonant+vowel) Indian Devanāgarī

Abjad phoneme (consonant) Arabic alphabet

Featural phonetic feature Korean hangul

Logographic systems[edit] Main article: Logogram

Early Chinese character
Chinese character
for sun (ri), 1200 B.C

Modern Chinese character
Chinese character
(ri) meaning "day" or "Sun"

A logogram is a single written character which represents a complete grammatical word. Most traditional Chinese characters
Chinese characters
are classified as logograms. As each character represents a single word (or, more precisely, a morpheme), many logograms are required to write all the words of language. The vast array of logograms and the memorization of what they mean are major disadvantages of logographic systems over alphabetic systems. However, since the meaning is inherent to the symbol, the same logographic system can theoretically be used to represent different languages. In practice, the ability to communicate across languages only works for the closely related varieties of Chinese, as differences in syntax reduce the crosslinguistic portability of a given logographic system. Japanese uses Chinese logograms extensively in its writing systems, with most of the symbols carrying the same or similar meanings. However, the grammatical differences between Japanese and Chinese are significant enough that a long Chinese text is not readily understandable to a Japanese reader without any knowledge of basic Chinese grammar, though short and concise phrases such as those on signs and newspaper headlines are much easier to comprehend. While most languages do not use wholly logographic writing systems, many languages use some logograms. A good example of modern western logograms are the Hindu-Arabic numerals: everyone who uses those symbols understands what 1 means whether he or she calls it one, eins, uno, yi, ichi, ehad, ena, or jedan. Other western logograms include the ampersand &, used for and, the at sign @, used in many contexts for at, the percent sign % and the many signs representing units of currency ($, ¢, €, £, ¥
¥
and so on.) Logograms are sometimes called ideograms, a word that refers to symbols which graphically represent abstract ideas, but linguists avoid this use, as Chinese characters
Chinese characters
are often semantic–phonetic compounds, symbols which include an element that represents the meaning and a phonetic complement element that represents the pronunciation. Some nonlinguists distinguish between lexigraphy and ideography, where symbols in lexigraphies represent words and symbols in ideographies represent words or morphemes. The most important (and, to a degree, the only surviving) modern logographic writing system is the Chinese one, whose characters have been used with varying degrees of modification in varieties of Chinese, Japanese, Korean, Vietnamese, and other east Asian languages. Ancient Egyptian hieroglyphs
Egyptian hieroglyphs
and the Mayan writing system are also systems with certain logographic features, although they have marked phonetic features as well and are no longer in current use. Vietnamese speakers switched to the Latin
Latin
alphabet in the 20th century and the use of Chinese characters
Chinese characters
in Korean is increasingly rare. The Japanese writing system includes several distinct forms of writing including logography. Syllabic systems: syllabary[edit] Main article: Syllabary

Bilingual
Bilingual
stop sign in English and the Cherokee syllabary, Tahlequah, Oklahoma

Another type of writing system with systematic syllabic linear symbols, the abugidas, is discussed below as well. As logographic writing systems use a single symbol for an entire word, a syllabary is a set of written symbols that represent (or approximate) syllables, which make up words. A symbol in a syllabary typically represents a consonant sound followed by a vowel sound, or just a vowel alone. In a "true syllabary", there is no systematic graphic similarity between phonetically related characters (though some do have graphic similarity for the vowels). That is, the characters for /ke/, /ka/ and /ko/ have no similarity to indicate their common "k" sound (voiceless velar plosive). More recent creations such as the Cree syllabary embody a system of varying signs, which can best be seen when arranging the syllabogram set in an onset–coda or onset–rime table. Syllabaries are best suited to languages with relatively simple syllable structure, such as Japanese. The English language, on the other hand, allows complex syllable structures, with a relatively large inventory of vowels and complex consonant clusters, making it cumbersome to write English words with a syllabary. To write English using a syllabary, every possible syllable in English would have to have a separate symbol, and whereas the number of possible syllables in Japanese is around 100, in English there are approximately 15,000 to 16,000. However, syllabaries with much larger inventories do exist. The Yi script, for example, contains 756 different symbols (or 1,164, if symbols with a particular tone diacritic are counted as separate syllables, as in Unicode). The Chinese script, when used to write Middle Chinese
Middle Chinese
and the modern varieties of Chinese, also represents syllables, and includes separate glyphs for nearly all of the many thousands of syllables in Middle Chinese; however, because it primarily represents morphemes and includes different characters to represent homophonous morphemes with different meanings, it is normally considered a logographic script rather than a syllabary. Other languages that use true syllabaries include Mycenaean Greek (Linear B) and Indigenous languages of the Americas
Indigenous languages of the Americas
such as Cherokee. Several languages of the Ancient Near East
Ancient Near East
used forms of cuneiform, which is a syllabary with some non-syllabic elements. Segmental systems: Alphabets[edit] Main article: Alphabet An alphabet is a small set of letters (basic written symbols), each of which roughly represents or represented historically a phoneme of a spoken language. The word alphabet is derived from alpha and beta, the first two symbols of the Greek alphabet. The first type of alphabet that was developed was the abjad. An abjad is an alphabetic writing system where there is one symbol per consonant. Abjads differ from other alphabets in that they have characters only for consonantal sounds. Vowels are not usually marked in abjads. All known abjads (except maybe Tifinagh) belong to the Semitic family of scripts, and derive from the original Northern Linear Abjad. The reason for this is that Semitic languages
Semitic languages
and the related Berber languages have a morphemic structure which makes the denotation of vowels redundant in most cases. Some abjads, like Arabic and Hebrew, have markings for vowels as well. However, they use them only in special contexts, such as for teaching. Many scripts derived from abjads have been extended with vowel symbols to become full alphabets. Of these, the most famous example is the derivation of the Greek alphabet
Greek alphabet
from the Phoenician abjad. This has mostly happened when the script was adapted to a non-Semitic language. The term abjad takes its name from the old order of the Arabic alphabet's consonants 'alif, bā', jīm, dāl, though the word may have earlier roots in Phoenician or Ugaritic. "Abjad" is still the word for alphabet in Arabic, Malay and Indonesian.

A Bible printed with Balinese script

An abugida is an alphabetic writing system whose basic signs denote consonants with an inherent vowel and where consistent modifications of the basic sign indicate other following vowels than the inherent one. Thus, in an abugida there may or may not be a sign for "k" with no vowel, but also one for "ka" (if "a" is the inherent vowel), and "ke" is written by modifying the "ka" sign in a way that is consistent with how one would modify "la" to get "le". In many abugidas the modification is the addition of a vowel sign, but other possibilities are imaginable (and used), such as rotation of the basic sign, addition of diacritical marks and so on. The contrast with "true syllabaries" is that the latter have one distinct symbol per possible syllable, and the signs for each syllable have no systematic graphic similarity. The graphic similarity of most abugidas comes from the fact that they are derived from abjads, and the consonants make up the symbols with the inherent vowel and the new vowel symbols are markings added on to the base symbol. In the Ge'ez script, for which the linguistic term abugida was named, the vowel modifications do not always appear systematic, although they originally were more so. Canadian Aboriginal syllabics
Canadian Aboriginal syllabics
can be considered abugidas, although they are rarely thought of in those terms. The largest single group of abugidas is the Brahmic family
Brahmic family
of scripts, however, which includes nearly all the scripts used in India and Southeast Asia. The name abugida is derived from the first four characters of an order of the Ge'ez script
Ge'ez script
used in some contexts. It was borrowed from Ethiopian languages as a linguistic term by Peter T. Daniels. Featural systems[edit] Main article: Featural writing system A featural script represents finer detail than an alphabet. Here symbols do not represent whole phonemes, but rather the elements (features) that make up the phonemes, such as voicing or its place of articulation. Theoretically, each feature could be written with a separate letter; and abjads or abugidas, or indeed syllabaries, could be featural, but the only prominent system of this sort is Korean hangul. In hangul, the featural symbols are combined into alphabetic letters, and these letters are in turn joined into syllabic blocks, so that the system combines three levels of phonological representation. Many scholars, e.g. John DeFrancis, reject this class or at least labeling hangul as such.[citation needed] The Korean script is a conscious script creation by literate experts, which Daniels calls a "sophisticated grammatogeny".[citation needed] These include stenographies and constructed scripts of hobbyists and fiction writers (such as Tengwar), many of which feature advanced graphic designs corresponding to phonologic properties. The basic unit of writing in these systems can map to anything from phonemes to words. It has been shown that even the Latin script
Latin script
has sub-character "features".[20] Ambiguous systems[edit] Most writing systems are not purely one type. The English writing system, for example, includes numerals and other logograms such as #, $, and &, and the written language often does not match well with the spoken one. As mentioned above, all logographic systems have phonetic components as well, whether along the lines of a syllabary, such as Chinese ("logo-syllabic"), or an abjad, as in Egyptian ("logo-consonantal"). Some scripts, however, are truly ambiguous. The semi-syllabaries of ancient Spain were syllabic for plosives such as p, t, k, but alphabetic for other consonants. In some versions, vowels were written redundantly after syllabic letters, conforming to an alphabetic orthography. Old Persian cuneiform
Old Persian cuneiform
was similar. Of 23 consonants (including null), seven were fully syllabic, thirteen were purely alphabetic, and for the other three, there was one letter for /Cu/ and another for both /Ca/ and /Ci/. However, all vowels were written overtly regardless; as in the Brahmic abugidas, the /Ca/ letter was used for a bare consonant. The zhuyin phonetic glossing script for Chinese divides syllables in two or three, but into onset, medial, and rime rather than consonant and vowel. Pahawh Hmong
Pahawh Hmong
is similar, but can be considered to divide syllables into either onset-rime or consonant-vowel (all consonant clusters and diphthongs are written with single letters); as the latter, it is equivalent to an abugida but with the roles of consonant and vowel reversed. Other scripts are intermediate between the categories of alphabet, abjad and abugida, so there may be disagreement on how they should be classified. Graphic classification[edit] Perhaps the primary graphic distinction made in classifications is that of linearity. Linear writing
Linear writing
systems are those in which the characters are composed of lines, such as the Latin
Latin
alphabet and Chinese characters. Chinese characters
Chinese characters
are considered linear whether they are written with a ball-point pen or a calligraphic brush, or cast in bronze. Similarly, Egyptian hieroglyphs
Egyptian hieroglyphs
and Maya glyphs were often painted in linear outline form, but in formal contexts they were carved in bas-relief. The earliest examples of writing are linear: the Sumerian script of c. 3300 BC was linear, though its cuneiform descendants were not. Non-linear systems, on the other hand, such as braille, are not composed of lines, no matter what instrument is used to write them. Cuneiform
Cuneiform
was probably the earliest non-linear writing. Its glyphs were formed by pressing the end of a reed stylus into moist clay, not by tracing lines in the clay with the stylus as had been done previously. The result was a radical transformation of the appearance of the script. Braille
Braille
is a non-linear adaptation of the Latin
Latin
alphabet that completely abandoned the Latin
Latin
forms. The letters are composed of raised bumps on the writing substrate, which can be leather (Louis Braille's original material), stiff paper, plastic or metal. There are also transient non-linear adaptations of the Latin
Latin
alphabet, including Morse code, the manual alphabets of various sign languages, and semaphore, in which flags or bars are positioned at prescribed angles. However, if "writing" is defined as a potentially permanent means of recording information, then these systems do not qualify as writing at all, since the symbols disappear as soon as they are used. (Instead, these transient systems serve as signals.) Directionality[edit]

Overview of the writing directions used in the world

See also: Right-to-left, Horizontal and vertical writing in East Asian scripts, Bi-directional text, and Mirror writing Scripts are also graphically characterized by the direction in which they are written. Egyptian hieroglyphs
Egyptian hieroglyphs
were written either left to right or right to left, with the animal and human glyphs turned to face the beginning of the line. The early alphabet could be written in multiple directions:[21] horizontally (side to side), or vertically (up or down). Prior to standardization, alphabetical writing was done both left-to-right (LTR or sinistrodextrally) and right-to-left (RTL or dextrosinistrally). It was most commonly written boustrophedonically: starting in one (horizontal) direction, then turning at the end of the line and reversing direction. The Greek alphabet
Greek alphabet
and its successors settled on a left-to-right pattern, from the top to the bottom of the page. Other scripts, such as Arabic and Hebrew, came to be written right-to-left. Scripts that incorporate Chinese characters
Chinese characters
have traditionally been written vertically (top-to-bottom), from the right to the left of the page, but nowadays are frequently written left-to-right, top-to-bottom, due to Western influence, a growing need to accommodate terms in the Latin script, and technical limitations in popular electronic document formats. Chinese characters
Chinese characters
sometimes, as in signage, especially when signifying something old or traditional, may also be written from right to left. The Old Uyghur alphabet
Old Uyghur alphabet
and its descendants are unique in being written top-to-bottom, left-to-right; this direction originated from an ancestral Semitic direction by rotating the page 90° counter-clockwise to conform to the appearance of vertical Chinese writing. Several scripts used in the Philippines and Indonesia, such as Hanunó'o, are traditionally written with lines moving away from the writer, from bottom to top, but are read horizontally left to right. While Ogham
Ogham
is written bottom to top and read vertically, commonly on the corner of a stone. The direction of writing in the Semitic languages
Semitic languages
evolved throughout the years. Different findings show that in some past periods the Hebrew language
Hebrew language
was written from time to time from left to right and sometimes also one line left next line right and over again. This decision of writing from right to left is related in the physical way of writing the letters: in the ancient times, the writings were done on stone, thing that needed work with tools. since most people are right handed, it was more comfortable to "work" from right to left. when the writing developed into use of color on paper, which does not need physical power, the European systems that were developing also in that times, preferred to write from left to right and so to avoid "smearing" of the color and that in writing from left to right there is no hiding of the written sentence to the writer. That's the reason why most of the later script systems (Greek and its derivatives- Cyrillic and Latin) were written from left to right, while the Semitic scripts just preserved the writing from right to left. On computers[edit] In computers and telecommunication systems, writing systems are generally not codified as such,[clarification needed] but graphemes and other grapheme-like units that are required for text processing are represented by "characters" that typically manifest in encoded form. There are many character encoding standards and related technologies, such as ISO/IEC 8859-1
ISO/IEC 8859-1
(a character repertoire and encoding scheme oriented toward the Latin
Latin
script), CJK (Chinese, Japanese, Korean) and bi-directional text. Today, many such standards are re-defined in a collective standard, the ISO/IEC 10646 "Universal Character Set", and a parallel, closely related expanded work, The Unicode
Unicode
Standard. Both are generally encompassed by the term Unicode. In Unicode, each character, in every language's writing system, is (simplifying slightly) given a unique identification number, known as its code point. Computer operating systems use code points to look up characters in the font file, so the characters can be displayed on the page or screen. A keyboard is the device most commonly used for writing via computer. Each key is associated with a standard code which the keyboard sends to the computer when it is pressed. By using a combination of alphabetic keys with modifier keys such as Ctrl, Alt, Shift and AltGr, various character codes are generated and sent to the CPU. The operating system intercepts and converts those signals to the appropriate characters based on the keyboard layout and input method, and then delivers those converted codes and characters to the running application software, which in turn looks up the appropriate glyph in the currently used font file, and requests the operating system to draw these on the screen. See also[edit]

Languages portal

Artificial script Calligraphy Digraphia Epigraphy Formal language Grammatology ISO 15924 Orthography Pasigraphy Penmanship Paleography Numeral system Transliteration Writing Written language

References[edit] Citations[edit]

^ "Definitions of writing systems". Omniglot: The Online Encyclopedia of Writing
Writing
Systems and Languages. www.omniglot.com. Retrieved 2013-06-29.  ^ Hessler, Peter (2006), "Artifact K: The Lost Alphabets", Oracle Bones: A Journey Between China's Past and Present, Harper Collins, pp. 401–417, ISBN 9780060826581.  ^ Coulmas, Florian. 2003. Writing
Writing
systems. An introduction. Cambridge University Press. pg. 35. ^ David Crystal (2008), A Dictionary of Linguistics and Phonetics, 6th Edition, p.481, Wiley ^ Hadumod Bußmann (1998), Routledge Dictionary of Language
Language
and Linguistics, p.1294, Taylor & Francis ^ Hadumod Bußmann (1998), Routledge Dictionary of Language
Language
and Linguistics, p.979, Taylor & Francis ^ Harriet Joseph Ottenheimer (2012), The Anthropology of Language: An Introduction to Linguistic Anthropology, p.194, Cengage Learning ^ StackExchange: Is it plausible to have two written forms of one spoken language that are so different as to be indecipherable? ^ Metaphor and Analogy in the Sciences, p.126, Springer Science & Business Media (2013) ^ David N. Keightley, Noel Barnard. The Origins of Chinese civilization. Page 415-416 ^ Sex and Eroticism in Mesopotamian Literature. By Dr Gwendolyn Leick. Pg 3. ^ Coulmas, Florian (1996). The Blackwell Encyclopedia of Writing Systems. Oxford: Blackwell Publishers Ltd. ISBN 0-631-21481-X.  ^ Millard 1986, p. 396 ^ Haarmann 2004, p. 96 ^ David Diringer (1962): Writing. London. ^ Archibald Hill (1967): The typology of Writing
Writing
systems. In: William A. Austin (ed.), Papers in Linguistics in Honor of Leon Dostert. The Hague, 92–99. ^ John DeFrancis (1989): Visible speech. The diverse oneness of writing systems. Honolulu ^ Geoffrey Sampson (1986): Writing
Writing
Systems. A Linguistic Approach. London ^ Alice Faber (1992): Phonemic segmentation as an epiphenomenon. Evidence from the history of alphabetic writing. In: Pamela Downing et al. (ed.): The Linguistics of Literacy. Amsterdam. 111–134. ^ See Primus, Beatrice (2004), "A featural analysis of the Modern Roman Alphabet" (PDF), Written Language
Language
and Literacy, 7 (2): 235–274, retrieved 2015-12-05 . ^ Threatte, Leslie (1980). The grammar of Attic inscriptions. W. de Gruyter. pp. 54–55. ISBN 3-11-007344-7. 

Sources[edit]

Cisse, Mamadou. 2006. "Ecrits et écritures en Afrique de l'Ouest". Sudlangues n°6, http://www.sudlangues.sn/spip.php?article101 Coulmas, Florian. 1996. The Blackwell encyclopedia of writing systems. Oxford: Blackwell. Coulmas, Florian. 2003. Writing
Writing
systems. An introduction. Cambridge: Cambridge University Press. Daniels, Peter T, and William Bright, eds. 1996. The World's Writing Systems. Oxford University Press. ISBN 0-19-507993-0. DeFrancis, John. 1990. The Chinese Language: Fact and Fantasy. Honolulu: University of Hawaii Press. ISBN 0-8248-1068-6 Haarmann, Harald (2004). Geschichte der Schrift [History of Writing] (in German) (2nd ed.). München: C. H. Beck. ISBN 3-406-47998-7.  Hannas, William. C. 1997. Asia's Orthographic Dilemma. University of Hawaii Press. ISBN 0-8248-1892-X (paperback); ISBN 0-8248-1842-3 (hardcover) Millard, A. R. (1986). "The Infancy of the Alphabet". World Archaeology. 17 (3): 390–398. doi:10.1080/00438243.1986.9979978.  Nishiyama, Yutaka. 2010. The Mathematics of Direction in Writing. International Journal of Pure and Applied Mathematics, Vol.61, No.3, 347-356. Rogers, Henry. 2005. Writing
Writing
Systems: A Linguistic Approach. Oxford: Blackwell. ISBN 0-631-23463-2 (hardcover); ISBN 0-631-23464-0 (paperback) Sampson, Geoffrey. 1985. Writing
Writing
Systems. Stanford, California: Stanford University Press. ISBN 0-8047-1756-7 (paper), ISBN 0-8047-1254-9 (cloth). Smalley, W. A. (ed.) 1964. Orthography studies: articles on new writing systems. London: United Bible Society.

External links[edit]

Writing
Writing
Systems Research Free first issue of a journal devoted to research on writing systems Arch Chinese (Traditional & Simplified) Chinese character
Chinese character
writing animations and native speaker pronunciations Sensible Chinese A practical guide to approaching the Chinese writing system decodeunicode Unicode
Unicode
Wiki with all 98,884 Unicode
Unicode
5.0 characters as gifs in three sizes African writing systems Omniglot: The Online Encyclopedia of Writing
Writing
Systems and Languages Ancient Scripts Introduction to different writing systems Alphabets of Europe Elian script a writing system that combines the linearity of spelling with the free-form aspects of drawing. (in Russian) Written of the World (in Hungarian) Ultraweb.hu – főoldal

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Writing
Writing
systems

Overview

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Lists

Writing
Writing
systems Languages by writing system / by first written account Undeciphered writing systems Inventors of writing systems

Types

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Types of writing systems

Overview

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Lists

Writing
Writing
systems

undeciphered inventors constructed

Languages by writing system / by first written accounts

Types

Abjads

Numerals

Aramaic

Hatran

Arabic Pitman shorthand Hebrew

Ashuri Cursive Rashi Solitreo

Tifinagh Manichaean Nabataean Old North Arabian Pahlavi Pegon Phoenician

Paleo-Hebrew

Proto-Sinaitic Psalter Punic Samaritan South Arabian

Zabur Musnad

Sogdian Syriac

ʾEsṭrangēlā Serṭā Maḏnḥāyā

Teeline Shorthand Ugaritic

Abugidas

Brahmic

Northern

Asamiya (Ôxômiya) Bānglā Bhaikshuki Bhujinmol Brāhmī Devanāgarī Dogri Gujarati Gupta Gurmukhī Kaithi Kalinga Khojki Khotanese Khudawadi Laṇḍā Lepcha Limbu Mahajani Meitei Mayek Modi Multani Nāgarī Nandinagari Odia 'Phags-pa Newar Ranjana Sharada Saurashtra Siddhaṃ Soyombo Sylheti Nagari Takri Tibetan

Uchen Umê

Tirhuta Tocharian Zanabazar Square Zhang-Zhung

Drusha Marchen Marchung Pungs-chen Pungs-chung

Southern

Ahom Balinese Batak Baybayin Bhattiprolu Buhid Burmese Chakma Cham Grantha Goykanadi Hanunó'o Javanese Kadamba Kannada Karen Kawi Khmer Kulitan Lanna Lao Leke Lontara Malayalam Maldivian

Dhives Akuru Eveyla Akuru Thaana

Mon Old Makassarese Old Sundanese Pallava Pyu Rejang Rencong Sinhala Sundanese Tagbanwa Tai Le Tai Tham Tai Viet Tamil Telugu Thai Tigalari Vatteluttu

Kolezhuthu Malayanma

Visayan

Others

Boyd's syllabic shorthand Canadian syllabics

Blackfoot Déné syllabics

Fox I Ge'ez Gunjala Gondi Japanese Braille Jenticha Kayah Li Kharosthi Mandombe Masaram Gondi Meroitic Miao Mwangwego Sorang Sompeng Pahawh Hmong Thomas Natural Shorthand

Alphabets

Linear

Abkhaz Adlam Armenian Avestan Avoiuli Bassa Vah Borama Carian Caucasian Albanian Coorgi–Cox alphabet Coptic Cyrillic Deseret Duployan shorthand

Chinook writing

Early Cyrillic Eclectic shorthand Elbasan Etruscan Evenki Fox II Fraser Gabelsberger shorthand Garay Georgian

Asomtavruli Nuskhuri Mkhedruli

Glagolitic Gothic Gregg shorthand Greek Greco-Iberian alphabet Hangul Hanifi IPA Kaddare Latin

Beneventan Blackletter Carolingian minuscule Fraktur Gaelic Insular Kurrent Merovingian Sigla Sütterlin Tironian notes Visigothic

Luo Lycian Lydian Manchu Mandaic Medefaidrin Molodtsov Mongolian Mru Neo-Tifinagh New Tai Lue N'Ko Ogham Oirat Ol Chiki Old Hungarian Old Italic Old Permic Orkhon Old Uyghur Osage Osmanya Pau Cin Hau Runic

Anglo-Saxon Cipher Dalecarlian Elder Futhark Younger Futhark Gothic Marcomannic Medieval Staveless

Sidetic Shavian Somali Tifinagh Vagindra Visible Speech Vithkuqi Wancho Zaghawa

Non-linear

Braille Maritime flags Morse code New York Point Semaphore line Flag semaphore Moon type

Ideograms/Pictograms

Adinkra Aztec Blissymbol Dongba Ersu Shaba Emoji IConji Isotype Kaidā Míkmaq Mixtec New Epoch Notation Painting Nsibidi Ojibwe Hieroglyphs Siglas poveiras Testerian Yerkish Zapotec

Logograms

Chinese family of scripts

Chinese Characters

Simplified Traditional Oracle bone
Oracle bone
script Bronze Script Seal Script

large small bird-worm

Hanja Idu Kanji Chữ nôm Zhuang

Chinese-influenced

Jurchen Khitan large script Sui Tangut

Cuneiform

Akkadian Assyrian Elamite Hittite Luwian Sumerian

Other logo-syllabic

Anatolian Bagam Cretan Isthmian Maya Proto-Elamite Yi (Classical)

Logo-consonantal

Demotic Hieratic Hieroglyphs

Numerals

Hindu-Arabic Abjad Attic (Greek) Muisca Roman

Semi-syllabaries

Full

Celtiberian Northeastern Iberian Southeastern Iberian Khom

Redundant

Espanca Pahawh Hmong Khitan small script Southwest Paleohispanic Zhuyin
Zhuyin
fuhao

Somacheirograms

ASLwrite SignWriting si5s Stokoe Notation

Syllabaries

Afaka Bamum Bété Byblos Cherokee Cypriot Cypro-Minoan Ditema tsa Dinoko Eskayan Geba Great Lakes Algonquian syllabics Iban Japanese

Hiragana Katakana Man'yōgana Hentaigana Sogana Jindai moji

Kikakui Kpelle Linear B Linear Elamite Lisu Loma Nüshu Nwagu Aneke script Old Persian Cuneiform Vai Woleai Yi (Modern) Yugtun

v t e

Braille
Braille
 ⠃⠗⠁⠊⠇⠇⠑

Braille
Braille
cell

1829 braille International uniformity ASCII braille Unicode
Unicode
braille patterns

Braille
Braille
scripts

French-ordered scripts (see for more)

Albanian Amharic Arabic Armenian Azerbaijani Belarusian Bharati

Devanagari
Devanagari
(Hindi  / Marathi  / Nepali) Bengali Punjabi Sinhalese Tamil Urdu etc.

Bulgarian Burmese Cambodian Cantonese Catalan Chinese (Mandarin, mainland) Czech Dutch Dzongkha (Bhutanese) English (Unified English) Esperanto Estonian Faroese French Georgian German Ghanaian Greek Guarani Hawaiian Hebrew Hungarian Icelandic Inuktitut (reassigned vowels) Iñupiaq IPA Irish Italian Kazakh Kyrgyz Latvian Lithuanian Maltese Mongolian Māori Navajo Nigerian Northern Sami Persian Philippine Polish Portuguese Romanian Russian Samoan Scandinavian Slovak South African Spanish Tatar Taiwanese Mandarin (largely reassigned) Thai & Lao (Japanese vowels) Tibetan Turkish Ukrainian Vietnamese Welsh Yugoslav

Reordered scripts

Algerian Braille
Braille
(obsolete)

Frequency-based scripts

American Braille
Braille
(obsolete)

Independent scripts

Japanese Korean Two-Cell Chinese

Eight-dot scripts

Luxembourgish Kanji Gardner–Salinas braille codes (GS8)

Symbols in braille

Braille
Braille
music Canadian currency marks Computer Braille
Braille
Code Gardner–Salinas braille codes (GS8/GS6) International Phonetic Alphabet
Alphabet
(IPA) Nemeth braille code

Braille
Braille
technology

Braille
Braille
e-book Braille
Braille
embosser Braille
Braille
translator Braille
Braille
watch Mountbatten Brailler Optical braille recognition Perforation Perkins Brailler Refreshable braille display Slate and stylus Braigo

Persons

Louis Braille Charles Barbier Valentin Haüy Thakur Vishva Narain Singh Sabriye Tenberken William Bell Wait

Organisations

Braille
Braille
Institute of America Braille
Braille
Without Borders Japan Braille
Braille
Library National Braille
Braille
Association Blindness organizations Schools for the blind American Printing House for the Blind

Other tactile alphabets

Decapoint Moon type New York Point Night writing Vibratese

Related topics

Accessible publishing Braille
Braille
literacy RoboBraille

v t e

Electronic writing systems

Emoticons Emoji iConji Leet Unicode

v t e

Internet slang
Internet slang
dialects

3arabizi Alay (Indonesia) Denglisch Doge Fingilish (Persian) Greeklish Gyaru-moji (Japan) Jejemon (Philippines) Leet
Leet
("1337") Lolspeak / LOLspeak / Kitteh Martian language (Chinese) Miguxês (Portuguese) Padonkaffsky jargon
Padonkaffsky jargon
(Russian) Translit Volapuk

See also English internet slang (at Wiktionary) SMS language

v t e

Systems science

Systems types

Anatomical Art Biological Complex Complex adaptive Conceptual Coupled human–environment Database Dynamical Ecological Economic Energy Formal Holarchic Information Legal Measurement Metric Multi-agent Nervous Nonlinear Operating Physical Planetary Political Sensory Social Star Writing

Theoretical fields

Chaos theory Complex systems Control theory Cybernetics Earth system science Living systems Sociotechnical system Systemics Urban metabolism World-systems theory

analysis biology dynamics ecology engineering neuroscience pharmacology psychology theory thinking

Systems scientists

Alexander Bogdanov Russell L. Ackoff William Ross Ashby Ruzena Bajcsy Béla H. Bánáthy Gregory Bateson Anthony Stafford Beer Richard E. Bellman Ludwig von Bertalanffy Margaret Boden Kenneth E. Boulding Murray Bowen Kathleen Carley Mary Cartwright C. West Churchman Manfred Clynes George Dantzig Edsger W. Dijkstra Heinz von Foerster Stephanie Forrest Jay Wright Forrester Barbara Grosz Charles A S Hall Lydia Kavraki James J. Kay Faina M. Kirillova George Klir Allenna Leonard Edward Norton Lorenz Niklas Luhmann Humberto Maturana Margaret Mead Donella Meadows Mihajlo D. Mesarovic James Grier Miller Radhika Nagpal Howard T. Odum Talcott Parsons Ilya Prigogine Qian Xuesen Anatol Rapoport Peter Senge Claude Shannon Katia Sycara Francisco Varela Manuela M. Veloso Kevin Warwick Norbert Wiener Jennifer Wilby Anthony Wilden

Applications

Systems theory in anthropology Systems theory in archaeology Systems theory in political science

Organizations

List Principia Cybernetica

Category Portal Commons

v t e

Literacy

Teaching literacy

Reading education in the US Phonics Whole language Dick and Jane National Council of Teachers of English No Child Left Behind Act Family literacy Adolescent literacy

Defining literacy

Functional illiteracy Critical literacy

Literacy
Literacy
internationally

International Literacy
Literacy
Association List of countries by literacy rate Literacy
Literacy
in India International Literacy
Literacy
Day List of Chinese administrative divisions by illiteracy rate

Major contributors to literacy

Frank Laubach Ruth Johnson Colvin Paulo Freire Griffith Jones Marie Clay James Paul Gee

Related concepts

Agricultural literacy Aliteracy Asemic writing Computer literacy Cultural literacy Data literacy Dyslexia Diaspora literacy Early literacy Ecological literacy Electracy Emergent literacy Emotional literacy Financial literacy Graph literacy Health literacy Information
Information
literacy Information
Information
and media literacy Literacy
Literacy
test Media consumption Media literacy Mental health literacy New literacies Numeracy Oracy Orality Oral literature Postliterate society Racial literacy Scientific literacy Statistical literacy Technological literacy Transliteracy Visual literacy Writing
Writing
system

v t e

Writing

Semi-permanent Writing
Writing
material

Plant based

Palm-leaf manuscript
Palm-leaf manuscript
( Borassus
Borassus
spp.) Ola leaf
Ola leaf
(manuscript) (C. umbraculifera) Birch bark manuscript Papyrus Paper Wax tablet
Wax tablet
(wood) Amate

Trema micrantha Ficus aurea

Parabaik
Parabaik
(S. asper) Bamboo and wooden slips

Other

Clay tablet Metals

Stamping (metalworking) Intaglio (printmaking)

Stone inscription animal skin Samut khoi
Samut khoi
kraing (paper usu. Mulberry
Mulberry
bark, metals, other) Oracle bone silk E-ink Textile printing Geoglyph Ink Photographic film

Inherently impermanent material

Electronic visual display Skywriting Sand writing Blood writing

Types

manuscript inscription book sign electronic storage codex bas-relief high-relief

Misc

Writing
Writing
systems

Authority control

GND: 4053297-5 HDS: 1

.