Category
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Category".

On Wikipedia, categories are used to organize the entire project. To learn about how this works, see Help:Category and Wikipedia:FAQ/Categorization.
For an overview of categorization guidelines, see Wikipedia:Categorization. To browse the existing categories, see Portal:Contents/Categorical index.

Look up category in Wiktionary, the free dictionary.

Category may refer to:

• Category (philosophy)
• taxonomic category - Taxonomic rank
• Category (mathematics)
• Categories (Aristotle)
• Category (Kant)
• Categories (Stoic)
• Categories (game), a game involving naming categories of things
• Category (topology) in the context of Baire spaces
• Lyusternik–Schnirelmann category, sometimes called LS-category or simply category

In taxonomic uses:

• Pregnancy category
• Prison categories (UK)
• Boxing weight classes

In computer programming:

• Categories, a programming concept in Objective-C

See also

• Category 1
• Category 2
• Category 3
• Category 4
• Category 5
• Category 6
• Category 7
• Categorization

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.