Argumentation
Persuation
Persuasion and argument are often used interchangeably (but they are NOT the same thing!)
Persuasion is a broad term, which includes many tactic designed to move people to a position, a belief, or a course of action.
Argument is a specific kind of persuasion based on the principles of logic and reasoning.
The argumentative essay is a genre of writing that requires the student to investigate a topic; collect, generate, and evaluate evidence; and establish a position on the topic in a concise manner.
In an argumentation, a writer attempts to support a controversial point, or defend a position on which there is difference of opinion.
Argumentative essays vs expository essays
Reference: Argumentative Essays