Theatrical part (4)
I believe the answer is:
role
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">theatrical part</span>' is the definition.<br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for role that I've seen before include "Part in play, film etc" , "Function in life" , "Acting part" , "Stage part" , "Playing part" .)