The document discusses the codes and conventions used in Lucy Clarke's short film. It addresses several key aspects of short films including narrative structure, duration, budget, characters, and promotional materials like posters and reviews. The short film uses many typical conventions of the genre, such as a simple plot understandable in 10-15 minutes, low budget constraints, few main characters, and a narrative with an initial equilibrium followed by conflict and resolution. Clarke also researched conventions for elements like character representation, locations, and poster design to effectively engage audiences.