This is a maintenance category, used for maintenance of the Wikipedia project. It is not part of the encyclopedia and contains non-article pages, or groups articles by status rather than subject. Do not include this category in content categories.
This is a container category. Due to its scope, it should only contain subcategories.
This is a hidden category. It is not shown on its member pages, unless the corresponding user preference (appearance → show hidden categories) is set.
[[Category:Clean-up categories|*{{last word|Clean-up categories from 2012]]