The document discusses conventions of teaser trailers, horror film trailers, and horror film posters. It then analyzes how the teaser trailer, titled "Jigsaw", follows these conventions. The trailer is under a minute, uses cryptic footage and music without dialogue to generate curiosity, and leaves the viewer with questions about the storyline without giving too much away. The trailer also uses fast pacing, jump cuts, and sound effects similar to other horror trailers. The poster features a dark, striking image and prominently displayed title consistent with horror film poster conventions.