This document discusses several concepts and theories related to narrative structure in film. It defines key terms like narrative, diegesis, story and plot. It also describes different types of narrative range, depth, and theories put forth by Russian formalists and scholars like Vladimir Propp, Tzvetan Todorov, and Allan Cameron. Propp identified character types and spheres of action in folktales, while Todorov outlined a 5-stage structure of equilibrium, disruption, recognition, attempt to repair, and reinstatement of equilibrium. Cameron defined 4 types of modular narratives - anachronic, forking paths, episodic, and split screens.