If you have domain names that you are keeping for future use, you can store them parked in your account. Here's how easy it is to do:

Need a domain name of yours to point to another website? Here's how to set it up:

To add an additional domain name or website to your hosting account, you'll need to create an add-on domain. Here's how: You'll need to make sure that this domain is pointing to our servers within the dns settings of your regisrar before it will work.

How to add a subdomain "subdomain.domain.com" to your domain in cPanel.