The document discusses common conventions used in psychological thrillers regarding location, costumes, lighting, props, sound, camera movement, and editing. It notes that psychological thrillers are often set in cities and buildings with low lighting to create shadows and tension. Villains typically wear suits or casual clothes. Mirrors are used to portray a character's inner self. Tension-building music and silence are common sounds. Quick camera movements increase fear and suspense, especially in significant scenes. Flashbacks and black-and-white coloring are editing techniques used to manipulate time and increase shadows and tension.