If you wish to make a web site, you need 2 things - your own domain and a hosting plan for it. The domain registration is the actual web address which 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 connected, yet independent services, even though many people assume that registering the domain is enough. Much like the disk space and the monthly traffic features that a given web 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 if the domains are actually registered using a different provider. In technical terms, it doesn't matter if a domain name is registered and hosted with the same company or is registered with one company and directed to another - either way your sites will function the very same way.