Film Language has four key elements, these are:
Camera
Sound
Editing
Mise en Scene
All these four elements are put together to create effects in the scene and manipulate the audience to how you want them to feel. Each of them can be broken down and explained in much more depth.
Camera - FAM
Frame:
extreme close up (e.g. somebody's eyeball)
close up (e.g. someones face)
mid shot (e.g. someone standing (cannot be taken above the belly button))
long shot (e.g. someone standing from a distance)
extreme long shot (e.g. mountains/scenery)
Angle level:
High (birdseye view)
Low (wormseye view)
Movement:
Pan left/right
Tilt up/down
Zoom in/out
Sound - MCDOVED
Music
Contrapuntal (music/lyrics contrast)(opposite: parallel)
Digetic (sounds actors can hear)(non-digetic - e.g. voiceover)
Off screen/on screen (e.g. phone call in another room)
Voiceover
Emotion
Dialogue (way people say things depends on: age, tone, level, accent)
Editing - TOP
Transition (straight cut/dissolves/wipes)
Order of narrative (beginning/middle/end/flashbacks/dreams/time period e.g. years)
Pace
Mise en Scene - CLAMPS
Costume
Lighting
Actors
Props
Setting