Character set (8)
I believe the answer is:
alphabet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">character set</span>' is the definition.<br/ ><span class="explanation-format__explanation">(alphabet is a kind of character set)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for alphabet that I've seen before include "Pale bath (anag.)" , "Ordered set of letters" , "A language's set of letters" , "lots of characters" , "Depend (on)" .)