Character arc

Also called: Arc

How a character changes from the start of the story to the end.

ActorsDirectors

SpineThe core drive that runs through a whole role or play. It keeps every choice pointing the same way.
BeatA small chunk of a scene where a character wants one thing. When the want changes, a new beat starts.

More in The script

Act Aside Monologue Soliloquy Fourth wall Exposition