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Wikipedia: The Missing Manual by John Broughton

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Category Pages

As you work on adding good categories to articles, you’ll encounter category pages like the one in Figure 17-1, and as a reader, you’ll find them useful for getting to articles you’re interested in. But there’s more to category pages. They’re created and managed by editors, and, like all other pages at Wikipedia, there are times when you, as an editor, can edit them to improve them. This section explains what you need to know.

Hierarchy: The Categorizing of Category Pages

Every category page should have at least one parent—a higher-level category. (The exception, of course, is the category page at the very top of the hierarchy.) Or, to put it differently, every category page but the very highest (shown in Figure 17-5) should be within a subcategory of at least one higher-level category.

The highest category in Wikipedia—the only category that doesn’t belong to a higher category—is Category:Contents. It has seven subcategories and (not shown) one page that belongs to the category but isn’t in a subcategory, the page Wikipedia:Contents.

Figure 17-5. The highest category in Wikipedia—the only category that doesn’t belong to a higher category—is Category:Contents. It has seven subcategories and (not shown) one page that belongs to the category but isn’t in a subcategory, the page Wikipedia:Contents.

Figure 17-6 shows a category page that itself is assigned five categories.

The category page Algerian media has five parent categories—one is a cleanup category; the other four are higher level topical categories. Put differently, Algerian media is a subcategory of five categories, four of them topical and one a cleanup category.

Figure 17-6. The category page Algerian media has five parent categories—one is a cleanup category; the other four are higher level topical categories. Put ...

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