Definition of a Trailer

Trailers consist of a series of selected shots from the film being advertised. since the purpose of the trailers is to attract am audience, to the film, these excerpts are usually drawn from the most exiting, funny or other noteworthy parts of the film. For the trailer is usually not in chronological order of the story. A trailer is usually 2 and a half minutes long but once a year the companies can extend it to show there biggest hopes for a blockbuster film.