Answer: A speech
Explanation:
It's a speech because it involves a prepared message an audience and a message for them to decode, it could be on any subject matter, the subject matter is to be understood, that is the purpose to be achieved
What are we supposed to do in this?
The Exodus. It is documented in the biblical book of Exodus. Exodus's definition is a mass exile, or large group of people leaving, but the word is almost exclusively used to refer to the departure of Isrealites, although it is occasionally used as "the exodus of (other group)..."