The document discusses the use of costumes to portray characters in a film. It provides examples of how the protagonist and antagonists would be costumed. The protagonist would wear a tracksuit, mime mask, and black shoes to signify that he is young, hiding his identity, and not flashy. The antagonists, who are gangsters, would wear suits and black shoes to show that they are wealthy and of high class. Costumes are an important way to convey a character's role and traits to the audience.