el 'concepts' are inter-related and working
out these for each of the choices on each of the topics is a really
substantial piece of work - especially given that there are not really any
coherent theories covering the full range.

My concern is very different from yours - and it focusses on a different
domain/purpose. Enterprises are finding that they need to link together
systems, and the biggest problem they are having is at the semantic level
(Mike Uschold pointed this out in an earlier email). They are 