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"Category" is a pretty common word in everyday language. For example:
I wondered if such non-mathematical uses of "category" could be given some category-theoretic modeling. Considering we already have a category Cat for all categories, might there also a category for all uses of the word "category"? Or is it simply part of Cat?
I'm guessing such a modeling, if possible, wouldn't involve too much technical complication - perhaps just sets - but it'd be interesting to have a CT perspective to the issue. :-)