This document discusses several key elements and conventions of thriller films. It notes that thriller films need specific conventions like dim colors to avoid becoming generic. It also highlights the importance of breaking conventions occasionally, such as having the "dumb blonde" character survive, in order to create variation and appeal to wider audiences. Finally, it defines thrillers as films that create thrill, excitement and intense emotions through the use of suspense, tension and excitement across various subgenres like crime or mystery films.