Rhetorical modes
Rhetorical modes ( also known as modes of discourse ) describe the variety , conventions , and purposes of the major kinds of language-based communication , particularly writing and speaking . 
<triplet> Rhetorical modes <subj> communication <obj> facet of <triplet> language <subj> communication <obj> part of <triplet> writing <subj> communication <obj> subclass of <triplet> speaking <subj> communication <obj> subclass of