Geometric Shapes is a

Unicode block A Unicode block is one of several contiguous ranges of numeric character codes (code points) of the Unicode character set that are defined by the Unicode Consortium for administrative and documentation purposes. Typically, proposals such as the ad ...

of 96 symbols at code point range U+25A0–25FF.

U+25A0–U+25CF

The BLACK CIRCLE is displayed when typing in a

password A password, sometimes called a passcode (for example in Apple devices), is secret data, typically a string of characters, usually used to confirm a user's identity. Traditionally, passwords were expected to be memorized, but the large number of ...

field, in order to hide characters from a screen recorder or shoulder surfing.

U+25D0–U+25FF

The CIRCLE WITH LEFT HALF BLACK is used to represent the

contrast ratio The contrast ratio (CR) is a property of a display system, defined as the ratio of the luminance of the brightest shade (white) to that of the darkest shade (black) that the system is capable of producing. A high contrast ratio is a desired aspec ...

of a screen.

Font coverage

Font In metal typesetting, a font is a particular size, weight and style of a typeface. Each font is a matched set of type, with a piece (a "sort") for each glyph. A typeface consists of a range of such fonts that shared an overall design. In mod ...

sets like

Code2000 Code2000 is a serif and pan- Unicode digital font, which includes characters and symbols from a very large range of writing systems. As of the current final version 1.171 released in 2008, Code2000 is designed and implemented by James Kass t ...

and the DejaVu family include coverage for each of the glyphs in the Geometric Shapes range.

Unifont GNU Unifont is a free Unicode bitmap font using an intermediate bitmapped font format created by Roman Czyborra. The main Unifont covers all of the Basic Multilingual Plane (BMP). The "upper" companion covers significant parts of the Supplement ...

also contains all the glyphs. Among the fonts in widespread use, full implementation is provided by

Segoe UI Symbol Segoe ( ) is a typeface, or family of fonts, that is best known for its use by Microsoft. The company uses Segoe in its online and printed marketing materials, including recent logos for a number of products. Additionally, the Segoe UI font su ...

and significant partial implementation of this range is provided by

Arial Unicode MS In digital typography, the TrueType font Arial Unicode MS is an extended version of the font Arial. Compared to Arial, it includes higher line height, omits kerning pairs and adds enough glyphs to cover a large subset of Unicode 2.1—thus suppo ...

and

Lucida Sans Unicode In digital typography, Lucida Sans Unicode OpenType font from the design studio of Bigelow & HolmesAll Bigelow & Holmes Lucida typefaces are distributed by the designers througThe Lucida Fonts Storeand a subset of Lucida fonts is distributed bAs ...

, which include coverage for 83% (80 out of 96) and 82% (79 out of 96) of the symbols, respectively.

Block

Emoji

The Geometric Shapes block contains eight

emoji An emoji ( ; plural emoji or emojis) is a pictogram, logogram, ideogram or smiley embedded in text and used in electronic messages and web pages. The primary function of emoji is to fill in emotional cues otherwise missing from typed conversat ...

: U+25AA–U+25AB, U+25B6, U+25C0 and U+25FB–U+25FE. The block has sixteen standardized variants defined to specify emoji-style (U+FE0F VS16) or text presentation (U+FE0E VS15) for the eight emoji.

History

The following Unicode-related documents record the purpose and process of defining specific characters in the Geometric Shapes block:

References

{{Mathematical symbols notation language Unicode blocks Geometric shapes Geometric