The occasion refers to the specific event or situation that prompts a piece of writing. It includes factors such as time, place, and social context.
The exigence is the urgent need or demand that motivates a writer to create a particular piece of writing.
The purpose is the reason behind why a writer is creating a piece of writing. It reflects their intended goal or desired outcome.
The audience refers to the specific group of people who will be reading or receiving a piece of writing. Writers consider their audience when crafting their message.