Genre

There are 4 key conventions to main Genre, however there are many sub-genres and hundreds of hybrid genres.

The largest impacts of genre are:

• The character and story
• Location
• Sound
• Technicalities

Sub genre is more commonly used to create a specific approach to a genre. 

Examples of this could be

• Fantasy
• Paranormal
• Romance
• Super Heros

Lastly hybrid genres aim to be even more specific but usually implicate that two genres are added together, for example

• Romance/comedy hybrid
• Horror/comedy hybrid
• Thriller/Horror
• Action/Fantasy

Over 90% of new films in the modern era consist of 2+ hybrid genres.