1. Aristotle analyzed tragedy and proposed its ideal form, which influenced later playwrights. He defined tragedy as imitating a serious action that arouses pity and fear and accomplishes catharsis of these emotions.
2. According to Aristotle, the six main elements of tragedy are plot, character, thought, diction, melody, and spectacle. The most important elements are plot and character. The plot should be a unified action that involves reversal of fortune and discovery.
3. Aristotle stated that the tragic hero should not be entirely good or bad, but have a flaw that leads to their downfall from happiness to misery. This arouses pity and fear in the audience.