"Large documents are almost impossible to write without outlines. There’s just too much to fit in your head. Outlines help you work with a structure, so that you can see the big picture and how sections fit together. Outlines are also surprisingly useful when brainstorming. You can work with varying levels of detail, starting with a high-level overview and successively refining it, or starting with the details and then letting the structure emerge as you organize those details into groups. Emacs has one of the most powerful outline editors I’ve come across. Although word processors like Microsoft Word and OpenOffice.org Writer support outlines too, Emacs has a gazillion keyboard shortcuts, and once you get the hang of them, you’ll want them in other applications as well. In addition, working in Emacs tends to force you to focus on the content instead of spending time fiddling with the formatting. Whether you’re writing personal notes or working on a document that’s due tomorrow, this is a good thing. In this section, you’ll learn how to outline a document using Org. You’ll be able to create headings, sub-headings, and text notes. You’ll also learn how to manage outline items by promoting, demoting, and rearranging them..."