Category Look up category in Wiktionary, the free dictionary. Category, plural categories, may refer to:

Categories do not form a strict hierarchy or tree of categories, since each article can appear in more than one category, and each category can appear in more than one parent category. …

Categories only show the name of each page being categorized. While the category description may provide information about the category in general, individual category members cannot be …

(see in all page types) edit · watch Category index Main categories: Research and Library science Reference works Almanacs Atlases Biographical dictionaries Dictionaries online Directories …

The top level of Wikipedia's overall category system, including both articles and other project pages, is Category:Contents. NOTE: The purpose of this category is to group major topic …

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".

The Simple English Wiktionary has a definition for: category. A category is a group of people or things that are the same in some way. Category can mean: Category (philosophy) taxonomic …