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they way he looks acts and talks to others
Other people in a story can't reveal characterization. Only the character in the story, or the narrator can reveal character.
what does thier argument reveal about the personality of each character
It depens on who you are.
Rembrandt was able to reveal the character of his portrait subjects by using classical arts and chiaroscuro.
character sketch
He is a rational thinker who could find both the good and bad in a situation.
The character's actions, behaviors, and decisions that drive the plot forward and reveal their personality and motivations.
Dialogue reveals information. It also reveals a character's thoughts, feelings, and way of speaking. It can reveal a character's educational level, their background, and their desires.
he thinks that he has friends
By showing how a character reacts to or interacts with his or her surroundings
no