Discussed BC in both Greek philosophy and Indian linguistics. Much theoretical progress in latter half of the 20th century.
An elusive concept which has been theorized from many different perspectives: meaning as use, as behaviour, as intention, as concepts, as images, as truth-conditions, and so on.
It is best to disperse the term into several concepts which can each be defined appropriately.
Also see: COMPONENTIAL ANALYSIS, PROTOTYPE, semantics
J D Fodor, Semantics (Hassocks, 1977)