delineate

/di-ˈli-nē-ˌāt/

borrowed from Latin dēlīneātus, past participle of dēlīneāre "to trace the outline of," from dē- de-līneāre "to make straight, mark with lines," derivative of līnea "string, cord, "

verb

to describe, portray, or set forth with accuracy or in detail
to indicate or represent by drawn or painted lines
to mark the outline of

delineate a character in the story