Full Idea
The various theories are not in competition. The theory of truth is part of the theory of representational character, which is presupposed by the theory of communication, which in turn is contained in the more general theory of speech acts.
Gist of Idea
Speech acts, communication, representation and truth form a single theory
Source
Gilbert Harman (Thought [1973], 4.3)
Book Reference
Harman,Gilbert: 'Thought' [Princeton 1977], p.61
A Reaction
Certainly it seems that the supposed major contenders for a theory of meaning are just as much complements as they are competitors.