Frist you need to make a your story with all of that and i have been there but you have to make your story with a beginning then after that you will need to make you middle part of your story then you do the rising action then the falling action then the climax the the end.
Exposition provides reader with information, sometimes it is nonessential info and can be revealed simply with exposition dialogue
Answer:
It taught the natives where trees and land came from. It teaches the sacrifices we make for the ones we love. The story is saying that dreams can help anyone in the case the tribe, with a problem they might face. What was the role of the turtle? The role of the turtle is earth. An earth was made on the turtles back as a place where Aataentsic landed from her fall.
The last sentence uses abbreviations appropriately.