I think that it is after the salutation or before the closing of the letter. If it were a letter, it would look like this:
Dear Dr. Doctor,
(Dear is the Salutation). Body of letter. Body of letter. Body of letter. Body of letter. Body of letter. Body of letter. Body of letter. Body of letter. Body of letter. Body of letter.
Sincerely,
Brainly
An outline will help a lot. For example if you were Writing a paper on the French revolution it would look like this.
French Revolution
I. Intro parahgraph
II. Reasons Why the war started
A. the unequal system of taxation
B. The way that the peasants lived a life of poverty while the Nobles
lived a life of luxury just because of their title.
And so on
The answer is synonym-antonym