The document discusses 4 technical areas of filmmaking that can be used to represent characters: 1) camerawork through shots and camera movements, 2) editing techniques like cutting and shot/reverse shots, 3) sound elements like dialogue and music, and 4) mise-en-scene details including location, costumes, props, and lighting. It provides examples of different types of shots, camera movements, editing techniques, sounds, and mise-en-scene elements and how they can be used to convey meaning.