The document discusses the elements of mise-en-scène in filmmaking, which refers to everything that appears on screen. It describes several components of mise-en-scène including setting, costumes, lighting, movement/acting, space, time, and sound. Each of these elements helps establish mood, move the plot forward, and shape the audience's understanding of the story. The document also distinguishes between diegetic sounds that come from within the story world, and non-diegetic sounds that are added for dramatic effect from outside the story world.