There are many different reasons for the opening sequence of a film to be important. Some of these reasons include:
Establishing the setting - This is an important feature, as in order for an audience to understand a film they need to know where the film is based. The setting of a film can also establish the genre, for example a sci-fi film would be set in space and have futuristic objects to create connotations of science fiction.
BECKIE
Establishing the genre - Also is a very important feature, This will decide ultimately weather this is the film for the people who love the genre. Also if they are fond of the genre they are able to have a clearer and better understand of the narrative, this feeds off connotation to the other viewers who are not so fond of the genre.
SAAD
Another important feature is introducing characters, this is used so that the audience can relate to the characters and understand there role in the film. Therefore they feel included in the film and close to the characters. It also creates the scene for the story and may also be used to create enigmas .
ASH
Enigmas - It is important to raise enigmas in the opening sequence of a film as it leaves the audience wondering what is going to happen next and keeps them glued to the film. Enigmas are questions that are answered later in the film and by leaving the questions open at the beginning of a film, it means the audience are left guessing which keeps them hooked in the film.
LYNDSAY