Category, plural categories, may refer to:
Philosophy and general uses
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Categorization
Categorization is the ability and activity of recognizing shared features or similarities between the elements of the experience of the world (such as Object (philosophy), objects, events, or ideas), organizing and classifying experience by a ...
, categories in cognitive science, information science and generally
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Category of being
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''Categories'' (Aristotle)
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Category (Kant)
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Categories (Peirce)
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Category (Vaisheshika)
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Stoic categories
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Category mistake
Mathematics
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Category (mathematics)
In mathematics, a category (sometimes called an abstract category to distinguish it from a concrete category) is a collection of "objects" that are linked by "arrows". A category has two basic properties: the ability to compose the arrows asso ...
, a structure consisting of objects and arrows
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Category (topology), in the context of Baire spaces
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Lusternik–Schnirelmann category, sometimes called ''LS-category'' or simply ''category''
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Categorical data, in statistics
Linguistics
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Lexical category
In grammar, a part of speech or part-of-speech (abbreviated as POS or PoS, also known as word class or grammatical category) is a category of words (or, more generally, of lexical items) that have similar grammatical properties. Words that are ass ...
, a part of speech such as ''noun'', ''preposition'', etc.
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Syntactic category, a similar concept which can also include phrasal categories
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Grammatical category, a grammatical feature such as ''tense'', ''gender'', etc.
Other
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Category (chess tournament)
A chess tournament is a series of chess games played competitively to determine a winning individual or team. Since the first international chess tournament in London, 1851, chess tournaments have become the standard form of chess competition amo ...
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Objective-C categories, a computer programming concept
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Pregnancy category
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Prisoner security categories in the United Kingdom
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Weight class (boxing)
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List of software categories
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Categories (word game)
Categories is a word game where players attempt to list words that fit into particular categories, all starting with the same letter. Players start by deciding on a list of categories between them, such as "town" or "actor", and each writing that l ...
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Saffir–Simpson hurricane wind scale, a common categorization of hurricane intensities
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Categories of New Testament manuscripts
New Testament manuscripts in Greek are categorized into five groups, according to a scheme introduced in 1981 by Kurt and Barbara Aland in ''The Text of the New Testament''. The categories are based on how each manuscript relates to the vari ...
* Network cable categories:
1,
2,
3,
4,
5/5e,
6/6a,
7/7a (F)
* A classification in a system of
compartmentalization (information security)
See also
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Categorical (disambiguation)
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Category 1 (disambiguation) Category 1 can refer to:
*Category 1 cable, an electrical standard for communications wiring
* Category 1 tropical cyclone, on any of the Tropical cyclone scales
* Cat11egory 1 pandemic, on the Pandemic Severity Index, an American influenza pande ...
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Category 2 (disambiguation) Category 2 or Category II may refer to:
* Category 2 cable, a grade of unshielded twisted pair cabling
* Category 2 tropical cyclone, on any of the Tropical cyclone scales
* Category 2 pandemic, on the Pandemic Severity Index, an American influen ...
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Category 3 (disambiguation)
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Category 4 (disambiguation)
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Category 5 (disambiguation)
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Category 6 (disambiguation)
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Category 7: The End of the World
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Category A (disambiguation)
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Category B (disambiguation)
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Category C (disambiguation)
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