codes and conventions of a thriller film

codes and conventions of a thriller film cant be split into three parts sound, editing and mise-en-scene .

• editing : quick cuts, camera angle changes
•  lighting, especially the use of shadow. mirrors and stairs are also conventions of thriller movies. Noir - very dark ,Chiaroscuro - light against dark - creates a sense of illusion, nightmare whilst also being aesthetically pleasing.
  
• Claustrophobic setting is a thriller convention , for example : planes ,coffins ,under water ,boot of a car ,elevator/lift ,walk in freezer ,tube trains ,white van ,small room ,car ,prison cell ,narrow alleyways ,multi-storey car parks are all popular chocies .
• plots of thrillers usally include :Suprises & Twists ,Plays With Viewers Mind ,Quick Cuts & Change Of Camera Angles ,Music To Add Tension ,Use Of Lighting To Create Shaddows ,Mirrors ,Stairs ,From Killers Point Of View,Flash Backs ,Pass Of Time Sequences,Make Audience Think