Signs/signifiers have a denotation and a connotation and are polysemic.
Polysemic means having multiple meanings.
Signs include mis-en-scene, sound, camerawork and editing.
Naturalisation refers to how media establishes myths in society and propagates them.
Mis en scene translates as 'putting into the scene' or 'staging an action' in French.
Auteur is the french idea that the director is the 'author of the film'.
Example mis en scene elements include format, aspect ratio, location, lighting, costume design, art design, acting style, camera techniques and style and post production.
A visual motif is an element of mis en scene repeated in a film with significance.
A signifier is the catalyst conveying the message (symbol)