Visual Components 

There a few main logos you see at the start of films, these logos are there to show who own the publishing rights to this film. the main ones you will see at the start of major films are 

Warner Brothers 

Twentieth centry fox

Walt Disney 

These are 3 of the main 6, the other 3 are universal pictures, columbia pictures and paramount pictures. Each one has there own signature sound that even if you herd the sound without seeing the image you would probably no which title it is.