I'm pretty sure the answer is "Stage Directions".
Dialogue is DEFINITELY a characteristic of drama
Stage directions may be the answer, although, I'm NOT TOTALLY POSITIVE.
Narration IS a characteristic
and I feel as though, when it comes to 'Character actions', It's pretty obvious that those are characteristics of drama.
Disclaimer: I may be wrong, you'll probably want to do further research before answering your question to ensure a good grade.