This document defines the key elements of a tragedy according to Aristotle and discusses how Shakespeare's play Macbeth illustrates these elements. It explains that a tragedy involves a serious action of magnitude that elicits emotions of pity and fear from the audience. The six main parts of a tragedy are identified as plot, character, thought, diction, melody, and spectacle. It then analyzes how Macbeth embodies the classical concepts of peripeteia, anagnorisis, the law of probability and possibility, and the tragic waste.