The interview is like an informal and formal one. A lot is expected to an interview. It doesn't really have to be formal or not because everything is subjective. It is informal compared to an essay. It is formal compared to a speech.
Answer:
Setup confrontation resolution
or
Introduction, Rising action, Climax , Falling Action, Resolution
A a sign or character used to represent a tone
The effect of natural voice is that it changes the pitch of the voice.