This document discusses conventions used in supernatural thriller trailers. It covers various camera techniques like zooming, panning, and tilting to build suspense. It also discusses common character archetypes, themes involving haunted homes, uses of music and sound, narrative structures, editing techniques, lighting, locations, and other elements employed in trailers for the genre. Overall, the document provides an in-depth look at cinematic techniques that help set the tone and build tension for supernatural thriller trailers.