Understood by a select few (8)
I believe the answer is:
esoteric
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">understood by a select few</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for esoteric that I've seen before include "needing privy" , "Tie score (anagram)" , "Understandable by only an enlightened inner circle" , "Privileged or confidential among coteries" , "not generally understood" .)