This document discusses different elements of sound design in film. It identifies various types of sounds that can be used, including diegetic sounds that come from within the story world and non-diegetic sounds from outside the story world. Selective sounds are used to emphasize key elements, while ambient sounds create atmosphere. Sound bridges help transitions and sound effects add realism or psychological impact. The document also discusses voiceovers, theme music, musical scores, silence and how identifying these elements can enhance analysis of films like Sherlock Holmes.