Mick
My posts 2 and 3 should enable you to answer this question yourself. Post 2 touches some of the aspects and it may tempt you to try and answer it then, but I suggest you wait until after post 3. Then a very precise terminology should be possible.
There will be 4 posts, I will only address individual questions on this topic after the fourth post, as duplication is pointless. After post 4 please post straight to the list, because if I have not explained something properly, others will probably have the same questions.
Norman Kilgariff (Glasgow, Scotland)
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