This document discusses key concepts related to how meaning is created in media through symbolic codes. It explains that meaning can be created through settings, props, costumes, makeup, lighting, movement, camera shots, and editing. It then discusses Stuart Hall's reception theory and the three ways meaning can be interpreted: preferred reading, negotiated reading, and oppositional reading. Finally, it provides examples of various symbolic codes like color symbolism, mise-en-scene elements, lighting techniques, facial expressions and body language, and how props and costumes can influence mood.