The document summarizes several theories about story structure:
- Todorov's theory suggests all stories have a beginning, middle, and end with equilibriums and disequilibriums.
- Propp's theory argues stories have 7 main character roles like villain, donor, helper, etc. Examples include Disney films.
- Levi-Strauss analyzed binary opposites in stories like good vs evil, young vs old, and hero vs villain.
- Barthes identified 5 codes that provide meaning, like action codes that imply future action and enigma codes that raise questions.