Conventions of a Thriller A

  Genre

Its a style or category of art, music or literature.

examples-

action

adventure

comedy 

fantasy

horror

mystery

drama

Thriller is a novel, play, or film with an exciting plot, typically involving crime or espionage. It is a work of fiction or drama designed to hold the interest by the use of a high degree of intrigue, adventure, or suspense.

Conventions of a Thriller

Low key lighting

Shadows

Tension music

Changes in the angle of shots 

Diegetic sound of breathing 

Black and white shots

Montage of shots

Protagonist is in mercy of the Antagonist 

In thrillers there are things like shadows and stairs to go with the tension thats being built. The music has an eerie feel to it as its a tension builder.