Sound

• Diagetic: Sound that is heard in the world of the performer
• Non-Diagetic: sound that is heard by the listener but not by the performer.
• Soundtrack: The music that accompanies a film or television programme.
• Dialogue: a conversation between two or more people as a feature of a book, play, or film.
• Ambient Sound: The sounds that are present in the environment, such as the sounds of traffic, birds, and other people.