What is the purpose of a title sequence and film opening?

The purpose of a title sequence and a film opening is to attract the audiences attention and engage them on watching the film. A title sequence consists on presenting the film title, production company and cast members, using conceptual visuals and sound. The title sequence helps establish the setting and tone of a programme. To summarise. a title sequence and film opening is just to show the audience hints of the film to engage them on watching more, not only that but to also inform the audience about the film.