The document discusses analyzing films through examining their use of codes and conventions. It provides examples of conventional films that follow typical narrative structures and represent characters and relationships in predictable ways. Unconventional or "auteur" films are said to challenge conventions by subverting expectations around narratives, characters, and genre tropes. Examples given include Leon, Apocalypse Now, and Pulp Fiction, which break conventions through unconventional protagonists, editing techniques, and non-linear storytelling. Analyzing a film's adherence to or challenging of codes and conventions provides insight into the filmmaker's artistic choices.