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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