The document provides an analysis of codes and conventions in the horror and action genres using the films Hereditary, Insidious, John Wick, and Baby Driver as examples. It discusses how these films employ stylistic techniques like lighting, camerawork, sound, and props to create tension, build suspense, and intensify action sequences. It also examines how the films follow typical narrative structures involving an initial equilibrium that is disrupted, leading to attempts to repair the damage and achieve a new resolution.