The document discusses conventions of film trailers. It explains that trailers aim to attract audiences by showing exciting clips without revealing spoilers. Trailers give information about the plot, stars, and genre. There are different types of trailers like theatrical and teaser trailers. Trailers are made to promote upcoming films through various platforms. They draw audiences in through suspense and not revealing the full plot. Trailers usually follow Todorov's narrative structure theory of equilibrium, disruption, attempted repair, and return to equilibrium. Elements like identifiable titles, production company logos, music, sound effects, and age ratings are conventionally included in trailers.