The document discusses the codes and conventions commonly found in horror movie posters, particularly those for psychological horror movies. It notes that such posters typically use dark colors like black and red, low-key lighting and shadows to set a scary tone. Close-up shots of frightened or disturbed faces are often employed to pique viewers' interest in the film's threats or problems. Psychological horror posters may feature distorted elements or an unnatural focus on an eye or other body part to create intrigue around the film's storyline. Overall, the document analyzes how visual design elements in posters communicate the horror or psychological horror genre to audiences.