Within the genre 'Television Drama' there are various sub-genres which each have their own unique codes and conventions.
Codes and conventions are the defining features of a genre - they are what makes a media text what it is. With moving image texts (TV shows and films) codes and conventions can be elements of:
- Digetic - in the world of the show (the characters can hear it)
- Non digetic - not in the world of the show ( voice overs, sound effects/music)
* Cinematography - camera work