What is meant by an "author-backed role"?

answers1: An "author-backed role" is a role in a movie or play that
was either: <br>
<br>
(1) Written by the author specifically for that actor, <br>
(2) Appointed by the author to be filled by that actor, or <br>
(3) The actor sought ought the writer, and afterward the writer
endorsed that actor to take the role, usually by appealing to the
director.
answers2: Backed By Meaning