The document discusses different narrative structures and theories of narrative. It describes linear narratives as having a clear beginning, middle, and end, while circular narratives end where they begin. Vladimir Propp analyzed Russian fairy tales and identified character roles like the hero, villain, and dispatcher. Tzvetan Todorov's theory is that narratives move from an initial equilibrium, to a disruption of that equilibrium (disequilibrium), to a restored equilibrium. Claude Levi-Strauss examined how myths reflect a culture's beliefs through binary oppositions like good vs evil.