The document discusses various conventions used in film posters, including the typical placement and design of key elements. It explains that the title is usually located at the bottom to first draw the viewer's eye to other elements like actor names or the main image. Actor names typically appear at the top in a smaller font except to emphasize star power. The billing block at the bottom provides credits in smallest text with the release date standing out. Colours follow schemes by genre and the main image centers on main characters, especially famous faces, with expressions that reveal the genre.