Synonyms of 'reiterate'
to say or do again; repeat
You can say that you are going to recapitulate the main points of an explanation, argument, or description when you want to draw attention to the fact that you are going to repeat the most important points as a summary.
Let's just recapitulate the essential points.
Thesaurus for reiterate from the Collins English Thesaurus
If you reiterate something, you say it again, usually in order to emphasize it.