purpose
The reason you are speaking, such as to inform, to explain how, to persuade, to entertain or to ask.
audience
The people who are listening to you.
rapport
A friendly connection between the speaker and the audience. It makes listeners want to listen.
expression
How your voice sounds: loud or soft, fast or slow, happy, serious or excited.
gesture
A movement of your hands, arms or head that helps show meaning, like pointing or nodding.
cohesive
Sticking together. Cohesive sentences connect to each other so the listener can follow.