The document discusses several techniques used in film theory and analysis, including mise-en-scene, character design, color symbolism, sound design, narrative structure, and cinematography. Specifically, it notes that villains are often associated with hidden or dehumanized faces and dark colors like red and black, while heroes can be linked to holy imagery through costumes. It also explains the differences between diegetic and non-diegetic sound, and linear versus non-linear narratives.