What is a thriller?

A thriller is a genre to a film which consists of different sub genres in itself and the conventions of different thrillers are:

A fast pace thriller

Sub genres

There will always be an antagonist and a protagonist in the movie. A antagonist is the villan of the movie and a villan is what drives a thriller to its purpose which is to thrill the audience. An protagonist is the hero of the movie but yet can usually be the one to die and the villan will live on.

Also there are moral choices

danger

suspense

mystery and conspiracy

special effects

car chases and dramatic music with of course plenty of weapons, plenty of which belong to the antagonist, the villan will always be stacked against the hero.