Thanks, willieamseal. I can't remember what was mentioned earlier in the thread - but I was quite happy to disentangle the clashes, see what they said (if you read them properly, line them up properly)...
The across clashing letters gave the general term for the sort of thing (88 of them in total) to be depicted in the final grid while the down ones gave two things associated with what was to be depicted (in its English name) in the title of a novel.