Category:Main topic classifications

This is a container category. Due to its scope, it should contain only subcategories.

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This is a list of Wikipedia's major topic classifications. They are used throughout Wikipedia to organize the presentation of links to articles in its various reference systems, including Wikipedia's overviews, outlines, glossaries, lists, portals, indices, and categories.

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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 classifications in one place, for greater ease and for reference of users and editors of Wikipedia. This category is not intended to adhere to some strictly hierarchical structure.

Therefore, please do not remove entries from this category merely because they are subtopics of other entries here. Thank you.