Please pick and use an outline strategy from one of the following web sites:
https://www.instructables.com/id/How-to-Make-a-Textbook-Chapter-Outline/
https://www.thoughtco.com/how-to-outline-a-chapter-4149501
https://www.wikihow.com/Do-a-Chapter-Outline
https://prezi.com/4o1kud-oy-dx/how-to-outline-a-textbook-chapter/