Markdown is a simple markup language that allows you to create rich text using plain text; it lets you add headers, lists, styling, links, and much more using only plain text.
The buttons in the toolbar will do most of the formatting for you. Below is an overview of all the possibilities. On the left is the input - what you write in the text area. On the right is what that input will end up looking like on the forum.
As Walt Whitman said:
> Keep your face always toward the sunshine - and shadows will fall behind you.
Keep your face always toward the sunshine - and shadows will fall behind you.