It is writing about a part of your past. An incident, a time period, an event. Google popular memoir books and you will see

books you have heard of like: Angela’s Ashes. So first you will read the background on memoir writing, then first two chapters

from a successful Memoir from 2016 by Lauren Graham called: Talking Fast as You Can.    She is the star of Gilmore Girls.

write your own Memoir in the form of an essay.