What is a process of thinking about what you want to say , how to say it , and sending a message

The process is called elocution.

Explanation:

The process of elocution in general would involve a few of these things that are anticipated by the reasons one would have for communicating and the way it actually gets communicated to the people intended:

It is basically about

-- What you want to say

_ How you want to say what you want to say in that what medium and what manner to use

-- Sending a message in that how is it that one would want to get their message across.

the answer is . a novel has no sub-plot, but a novella does