In order to make a web site, you need two things - a domain name and a web hosting plan for it. The domain registration is the actual web address that you enter in a browser to reach a website, while the hosting space is where your website data is going to be. These are two tightly related, but independent services, even though many people believe that registering the domain name is enough. Similar to the disk space and the monthly traffic features which a given hosting plan offers, there are a certain number of registered domains which you can include as hosted which means that you can have the web content for them in some account even when the domains are in fact registered using a different service provider. In technical terms, it does not matter whether a domain is registered and hosted with the exact same company or is registered with one company and directed to another - in either case your sites will function in exactly the same way.