The links you submit only warrant a title, but text posts (non-link submissions, also known as "Self Posts") and comments can be formatted to include their own links and emphasis. Formatting is done with Markdown syntax, which is different from HTML. Below is a cheat sheet from the Reddit help section:
YOU TYPE: |
YOU SEE: |
*italics* |
italics |
**bold** |
bold |
super^script |
superscript |
~~strikethrough~~ |
strikethrough |
[reddit!](//reddit.com) |
|
(tab or 4 spaces)preformatted text |
preformatted text |
blah blah `inline code text!` blah blah |
blah blah inline code text blah blah |
\*escape the formatting syntax\* |
*escape the formatting syntax* |
While on the text submission page, there's also a link to the most popular formatting short codes below the text box that you can toggle: