Using headings to help your writing

HEADING WEST by M.G.N. – Marcel, Attribution-NonCommercial-NoDerivs License

Headings are a brief summary of what is contained in a section of work. You can therefore use them to help you get an overview of your document and whether the sections are ordered in a way that makes the most sense.

In this post Pat Thomson describes a few different techniques for using subheadings to guide your writing.
https://patthomson.net/2014/02/06/chapter-flow-using-headings-to-help/