Use of words (11)
I believe the answer is:
phraseology
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">use of words</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for phraseology that I've seen before include "Style of expression" , "Manner in which words are used" .)