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I'm confused by two aspects of the "Category:Medical terminology", namely:
Why its several subcategories don't include one for an enormous list of terms, to wit, "Category:Surgical terminology". For example, we do have a list article for the many "-otomy" terms, which would possibly (probably?) be better served by belonging to such a category.
More fundamentally, why we have any "Category:<foo> terminology" at all, given that:
The articles in "Category:<foo> terminology" will almost certainly belong to a "Category:<foo>" as well, and
Any article that merely defines the meaning of a term in "Category:<foo>" quite obviously is a candidate for transfer to Wiktionary instead.
So I guess I'm asking whether every "Category:<foo> terminology" is an instance of over-categorization, which I believe we want to avoid.
To me, the gold standard for the existence of any (reader-facing) category is that it helps the reader find articles that interest them. (I do understand that some, tho' relatively few, cats may exist solely to ease the task of administering articles, categories and projects.)
I'm also posting this section to "Wikipedia talk:WikiProject Categories". Yoyo (talk) 01:25, 24 June 2015 (UTC)
I claim the preceding edit; I forgot that my nickname "Yoyo" is not my username! :-( yoyo (talk) 03:26, 24 June 2015 (UTC)