A "happy" sounding chord.
Major Scale
This is when one edits a variety of thematically related film clips together to create one new scene.
Montage
This is an effect where two clips put together are shown to be more meaningful to audience members than any one clip alone.
Kuleshov Effect
A "sad" sounding chord.
Minor Scale
An example of this is in the movie Soul, when the character begins by playing the piano, then is metaphorically "transported" to a higher, musical world.
Audio Dissolve
This is a film technique that syncs music with the actions on screen.
Mickey-Mousing
The distance in pitch between two tones.
Interval
A voiceover or narrator in a movie (that characters cannot hear) is an example of this type of sound.
Non-Diegetic Sound
This is an acrostic to help remember the order of the "line" notes in treble clef.
Every Good Boy Deserves Fudge
Any set of multiple pitches that are sounded simultaneously.
Chord
A speeding car is an example of this type of sound.
Diegetic Sound
An example of this is in Star Wars when the Imperial March plays as Darth Vader enters.
Leitmotiv