The whole point of a title sequence is to reveal key institutional information about the film. Just through the title you can establish the genre, the tone, the setting and the time. The title can, with the help of the other factors I have mentioned, hint at the narrative of the film and even hint at personalities of characters. The title sequence also contains key names:
1) money 12) costume designer
2) production 13) music
3) directors name film 14) edited
4) main star 15) production designer
5) film title 16) director of photography
6) actor 1 - (end of main section) 17) executive producer
7) actor 2 18) produced by
8) actor 3 19) based upon
9) actor 4 20) screenplay (writer)
10) actor 5 21) director
11) casting
The use of fonts, transitions, colour and framing of the title can also portray additional information to the consumer. The form of title sequences have changed over time as title sequences used to appear after credits at the beginning of the film but now as time passed the credits found their way to the end of the film and the title stayed at its palace at the beginning.