The thing which a writer can describe about two characters to help develop their personalities is their communication
This refers to the different processes which a character in a play undergoes as his role changes and expand and he becomes either more or less important.
With this in mind, we can see that if a writer wants to describe two characters, he would have to use their communication to develop the type of personality and this is a form of characterization.
Read more about character development here:
https://brainly.com/question/8864308
