The document discusses conventions commonly used in the design of horror film posters. Some key conventions discussed include using extreme closeups of eyes to create an unsettling feeling, depicting isolated settings like forests or abandoned houses to set the scene, using silhouettes of villains or characters holding weapons in low lighting to build mystery, and incorporating dark colors like black and red alongside elements like smoke to establish an eerie atmosphere. The layout of text, credits and other elements is also discussed, with main titles, images and taglines typically positioned to draw viewer attention while leaving other details at the bottom.