Sound

 Diegetic sound
Sound whose source is visible on the screen or whose source is implied to be present by the action of the film for example: voices of characters, sounds made by objects in the story, music represented as coming from instruments in the story space (source music) Its also known as "actual" sound.

Non-diegetic sound
Non-diegetic sound is represented as coming from the a source outside story space. For example: narrator's commentary, sound effects which is added for the dramatic effect, mood music

Synchronous sound
Synchronous sound is a sound  that is matched to certain movements occurring in the scene e.g when footsteps correspond to feet walking or a click when a key is turned in a door.

Asynchronous sound
 Asynchronous sound is sound that is not synchronised with the action. 

Sound effects
a sound other than speech or music made artificially for use in a play, film, or other broadcast production

Sound motif
 A sound effect or combination of sound effects that are associated with a particular character, setting, situation or idea through the film. The sound motifscondition the audience emotionally for the intervention, arrival, or actions of a particular character.

Sound bridge
the connection between both scenes since their mood (suggested by the music)

Dialogue
spoken conversational exchange between two or more people

Voiceover
The voice-over is read from a script and may be spoken by someone who appears elsewhere in the production or by a specialist voice actor, This is normally pre recorded and added on top of the film

Direct address
A direct address is the name of the person who is being directly spoken to.

Sound perspective
helps place a sound as a near or distant or coming from a place with in the diegesis