Very succinctly (2,1,4)
I believe the answer is:
in a word
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">very succinctly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for in a word that I've seen before include "concise" , "Briefly - won raid (anag)" , "To summarise very briefly" , "To summarize" , "Where letters are usually found" .)