The document provides notes on various film techniques used in the movie Shutter Island, including: 1) Non-linear editing is used with flashbacks to show Leo's backstory and mental state. 2) Various camera shots like bird's-eye views, long shots, and focus pulls are employed to create suspense and reveal plot details. 3) Diegetic and non-diegetic sounds like horns, music, and ambient noise aid the mood of unease and mystery.