The phrase "internal coherence" refers to the consistency and logical connection within a particular idea, concept, or argument. It means that the different parts or elements of something fit together well and make sense as a whole. Full definition
So the probability arises that Mamet wishes his films to be seen as a kind of populist avant - garde cinema, full of ideas about the role of language in visual text and in the interim disdaining the menial task of telling a story that has some semblance of respect for internal coherence. (filmfreakcentral.net)
If this list of features suggests stylistic eclecticism, nothing could be further from the truth: Lukin's 1960s work possesses great internal coherence. (garthgreenan.com)
When, for the sake of apologetic or missionary conprehensibility or for the sake of internal coherence, we step back from that concreteness and express ourselves in more general terms, it must not be with the thought that this will make the faith more credible. (religion-online.org)