Coherence refers to the grammatical and semantic interconnectedness between the elements that realize a discourse (discourse is used here to subsume any written or spoken communicative occurrences). Coherence is separate from cohesion and specifically designates the semantic meanings that hold the discourse together (its flow). Coherence is the sequence of propositions (thematic developments) that realize the web of semantic relations, not the formal meanings. When a discourse seems to lack coherence, receivers resort to infe…