That which is *compellingly* the correct or appropriate thing
to use, do, say, etc. Always capitalised, always emphasised
in speech as though capitalised. Use of this term often
implies that in fact reasonable people may disagree. "What's
the Right Thing for
Lisp to do when it sees "(mod a 0)"?
Should it return "a", or give a divide-by-0 error?"
Opposite:
Wrong Thing.