In an explanatory essay, paragraph restates the claim, summarizes the evidence, and explains the importance or implications of the claim conclusion.
Explanation
When writing any piece, an end always comes last after the introduction and body.
Therefore a conclusion is the summary of the stated claim in the essay.
The conclusion is composed of an overview of what has been discussing d entirely.
It should be however brief but be able to cover at least everything within the say.
A conclusion is important because it gives the reader a clear picture of what has been written and enables the reader to have an understanding after reading the essay.