Theatrical roles refer to the characters that actors portray in a play, musical, or performance. Each role has specific traits, motivations, and relationships with other characters, contributing to the overall story. Actors study their roles to understand the character's background and emotions, allowing them to deliver a convincing performance. In theater, roles can be categorized into various types, such as protagonists, antagonists, and supporting characters. The protagonist is typically the main character driving the story, while the antagonist opposes them. Supporting characters enrich the narrative and help develop the main themes, making each role essential to the production.