1. A film score is a song created specifically for a film and it is used to tell the audience what emotion to feel.
2. Foley sound effects is the reproduction of everyday sounds they are used so people can here what is going on in the scenes environment.
3. ADR is Automated Dialogue Replacement and is used to replace lost dialogue in a film.
4. Sound design is acquiring, manipulating or generating audio elements, it involves the composition or manipulating of audio to create a desired effect or mood.
