A Quicklist link is an internal or external link that is located on the main homepage, on the left hand side, under Sites. In order to add a Quicklist link please follow these steps.
1. Log into your SharePoint site with the administrative credentials.
2. In the upper right hand corner click on Site Actions then select Site Settings.
3. Under Look and Feel click on Quick Launch.
4. Click New Link
5. Fill Out the appropriate information.
6. Select Sites from the drop down menu.
7. Select OK