Many thanks for the writeup! (I take it that you coined the “Maps of Content” idea? Just for later referencing?)
It may only be because ontology has been a primary concern of my PhD, but when I read Andy’s concepts I thought of them the same way you’re describing MoCs (although I like the actionable orientation you’ve taken). So to me the ideas are equivalent, although I’d deduct “associative” from Andy’s phrase because it is sorta redundant.
It may be interesting to those reading this thread to learn more about ontologies in Information Systems: