Question

an author uses characterization to?

Answer 1

Characterization can be direct, as when an author tells readers what a character is like (e.g. "George was cunning and greedy.") or indirect, as when an author shows what a character is like by portraying his or her actions, speech, or thoughts 

Answer 2

TO explain different characters and set building blocks for the plot; characterization is very important to a storyline