Film trailers have three main functions: to inform audiences of the genre, cast, and style of the movie; to convey the unique selling point that sets the film apart from others of its genre; and to entice audiences by including montages of the best scenes to generate interest in seeing the full film.

1. Functions of a Film Trailors

2. The Functions To inform the audience of genre, cast style of movie formulaic, non formulaic? Distributors will convey the USP (unique selling point) which sets it apart from other films in that genre. To entice the audience, trailors are often a montage of the best bits of the film to entice the audience that they want to see this film.