You can add a link or a button to your webpage.
You can add a link to a document, an external website, an internal page, a tab on a page or an email address from text in the main body of your webpage. (You can also add a link or button from a web part in the right margin of your webpage. To add a web part, see How-Tos: Feature Boxes.)
You can add a link styled as a button (a "call to action) to your webpage.
On a button link, if the arrow following the text ( > ) drops down to the second line, contact the webteam.