Mise-en-scene refers to everything visible within a film frame, including setting, lighting, costume, props, blocking/performance, and color. It was originally a theatre term referring to how a director arranged elements on stage, and was later adopted by film studies to recognize the director's contributions beyond just following a script. Mise-en-scene aims to create a believable world for the story and can provide symbolic clues about characters, mood, and themes through deliberate design choices for these visual elements. It is often guided by the conventions of a particular genre to help establish meaning and identity within that genre.