This document discusses conventions in supernatural thriller trailers. It covers various cinematic techniques used such as camera movements like zooming and panning to build suspense. Composition and framing is also addressed, noting a shift from symmetrical to asymmetrical framing to represent increasing chaos. Character archetypes like curious protagonists and non-believers are described. Common plot themes, uses of sound and music, narrative structures, editing techniques, lighting, and ominous locations are also outlined. Overall, the document provides an overview of visual and technical elements that feature prominently in supernatural thriller trailers.