Actually this post was not especially helpful for my purpose and I should have explained why in advance because I anticipated someone would link it. Although it helpfully lays out a number of proposals people have made, it does more to work out what’s going on with those proposals rather than find ways they can be grouped together (except incidentally). I even reread this post before posting this question and it didn’t help me improve on the taxonomy I proposed, which I already had in mind as of a few months ago.
Actually this post was not especially helpful for my purpose and I should have explained why in advance because I anticipated someone would link it. Although it helpfully lays out a number of proposals people have made, it does more to work out what’s going on with those proposals rather than find ways they can be grouped together (except incidentally). I even reread this post before posting this question and it didn’t help me improve on the taxonomy I proposed, which I already had in mind as of a few months ago.