What does the audience learn in the opening of a film?

The audience finds out about the following:

1. main location
2. main characters
3. narrative e.g. background information 
4. target audience
5. time period
6. credits - director, industry information, cast etc
7. mystery- inigma 
8. ethics- morality of the world e.g. killing people is normal
9. rules of the world e.g. magic exists 
10. viewing position- the mindset f the audience http://www.ocr.org.uk/download/kd/ocr_9646_kd_gce_spec.pdf