The document discusses the film techniques of mise-en-scene and lighting, which are important visual and technical codes that filmmakers use to convey meaning. It defines mise-en-scene as everything within the frame, including setting, costumes, color palette, characters and their movements. Lighting techniques like three-point lighting, high-key lighting and low-key lighting are also discussed, and how they impact the visual style and mood of a film. Examples are provided of how these techniques are used in specific films to provide information about characters and further the narrative.