Opening a film

There are many different ways you can start a film, and they are all used to suit the film.
Discrete titles 
These are when the titles are separate from the rest of the film, they are usually highly edited and styled. Covering all the titles and information.

A good example of this is seen in the film 'Sev7n' where they have many close ups quickly edited together.
Styled editing
Styled editing is when it is is fabously styled to together to include the story as well as the style. It grabs the 
audiences attention. It is usually quick paced. A good example of this is 'The Taking of Pelham'


Credits over a blank screen 
This is when the titles come up over a blank screen, with a soundtrack or some sort of noise. Until they eventually show images with some titles still coming over. An example of this is Donnie Darko:

Narrative film with titles 
Is when the film starts, the setting and the characters and the titles run over it, it is a common way to start. One film that does this is The shining.