the codes and conventions to an opening scene

 The codes and conventions of a film opening sequence tend to include these features in this order:

1. Studio/production company logo

2. Titles (of the cast and crew)

3. Genre

4. Themes and topics

5. Establishing the genre

6. Introduction of characters

7. Action/events

8. Sound (especially non-diegetic music and sound)

9. Narrations and text

10. Enigma