Needle drop- Needle drop (movie scoring), the use of an existing recording rather than an original score in a film.-Wikipedia

Examples of sounds made by a Foley artist- Everyday sounds like footsteps, doors opening and closing, wind blowing, glass breaking, and other ambient noise. Those sound effects get added to the edit in post-production to enhance the auditory experience of a film or television

Leitmotif- A leitmotif is a recurring theme in music. The term derives from the German word, meaning “leading motif. “It can also be used to describe a recurring idea, symbol, or phrase that has an important role in the story you’re telling. Leitmotifs are one of many tools authors and filmmakers use to help readers understand their films or novels by creating connections between different parts. The presence of such patterns throughout the work provides additional depth for an audience. A good example is in the film Gladiator (Ridley Scott 2000)

Voice over/Narrations– A voiceover is the non-diegetic use of a character or omnipresent narrator talking over the visuals of a film or television show. A good example of this is in Fight club (David Fincher 1999)

examples:

fight club 1999 david fincher

blue 1993 david jarman

Narration is the use of a written or spoken commentary to convey a story to an audience. Narration is conveyed by a narrator: a specific person or unspecified literary voice, developed by the creator of the story, to deliver information to the audience, particularly about the plot

A film which uses narration is GoodFellas

https://web.microsoftstream.com/video/8b4a0712-2303-4b5d-99cd-4fc9c9e65d39

A leitmotif can be interpreted as being the underlying theme of an entire work or piece of music, but it can also refer to one part of a musical composition that has been repeated throughout the song or work.

Lux Aeterna in Aronofsky’s Requiem for a Dream

Ironside siren in Tarantino’s kill bill

Sound perspective refers to the apparent distance of a sound source, evidenced by its volume, timbre, and pitch. This type of editing is most common in how the audience hears film characters’ speech. Actors in these situations are “miked” so that the volume of their voices remains constant and audible to the audience.

https://web.microsoftstream.com/video/b5f59c09-825b-4e0b-84a5-2766dea9a0e7

https://web.microsoftstream.com/video/5879ddf1-f615-4f20-9e28-ad01c81d8e6e

Score: A film score refers to the original music that accompanies a film. In most cases, movie music is written by a film composer hired for the production. The movie score heightens the film’s emotion, creating an aural mood for each scene, along with sound effects and dialogue.

Underscore: Underscore. An underscore is a soft soundtrack theme that accompanies the action in a performance. It is usually designed so that spectators are only indirectly aware of its presence. It may help to set or indicate the mood of a scene.

An original soundtrack is defined as:

‘the original song or songs from something like a movie, tv show or video game’

(source – quora.com)

While a jukebox soundtrack is defined as:

‘in which a majority of the songs are well-known popular music songs, rather than original music’

(source – Wikipedia)