Category

For information about Wikipedia's article categories, see Help:Category.

Category, plural categories, may refer to:

General uses

• Classification, the general act of allocating things to classes/categories

Philosophy

• Category of being
• Categories (Aristotle)
• Category (Kant)
• Categories (Peirce)
• Category (Vaisheshika)
• Stoic categories
• Category mistake

Science

• Cognitive categorization, categories in cognitive science
• Statistical classification, statistical methods used to effect classification/categorization

Mathematics

• Category (mathematics), a structure consisting of objects and arrows
• Category (topology), in the context of Baire spaces
• Lusternik–Schnirelmann category, sometimes called LS-category or simply category
• Categorical data, in statistics

Linguistics

Main article: Linguistic categories

• Lexical category, a part of speech such as noun, preposition, etc.
• Syntactic category, a similar concept which can also include phrasal categories
• Grammatical category, a grammatical feature such as tense, gender, etc.

Other

• Category (chess tournament)
• Objective-C categories, a computer programming concept
• Pregnancy category
• Prisoner security categories in the United Kingdom
• Weight class (boxing)
• List of software categories
• Categories (word game), a classic party game
• Saffir–Simpson hurricane wind scale, a common categorization of hurricane intensities
• Categories of New Testament manuscripts
• 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

• All pages with titles containing Category
• Categorical (disambiguation)
• Category 1 (disambiguation)
• Category 2 (disambiguation)
• Category 3 (disambiguation)
• Category 4 (disambiguation)
• Category 5 (disambiguation)
• Category 6 (disambiguation)
• Category 7: The End of the World
• Category A (disambiguation)
• Category B (disambiguation)
• Category C (disambiguation)