Words and jargon used in Toastmasters and other public speaking events

Public Speaking

Not planned or prepared. "My boss caught me off guard and asked me to give an impromptu speech. I definitely had to improvise"

To react to events decisively, effectively, and without prior thought.

Create and perform (music, drama, or verse) spontaneously or without preparation.

To try to do something without much practice or preparation

a formal address or discourse delivered to an audience.
"he gave a speech about the company"

A way of achieving a specified result; a course of action.