This document discusses Aristotle's Poetics and its importance. It provides background on Aristotle, noting he was born in 384 BC in Greece and wrote over 200 treatises covering philosophy and science. His most important works include Physics, Metaphysics, and Poetics. Aristotle defined tragedy as "an imitation of an action that is serious, complete, and of a certain magnitude through pity and fear effecting the proper purgation." He outlined six elements of poetry including plot, character, diction, thought, spectacle, and song. The document also discusses Aristotle's three unities of drama - action, time, and place - and their definitions.