There are 2 services you need for a functioning website - a domain name and a web hosting plan for it. Any time you type the domain name in your Internet browser, you see the content that is uploaded in the website hosting account, but if that domain name is not linked to such an account or to an e-mail service, it is parked. To put it differently, the Internet domain is registered and you are its owner, but it lacks content of its own. As a substitute, it can open either a pre-made “Under Construction / For Sale” Internet page from the registrar company, or it may be forwarded to any other URL of your choice. The benefit of parking a domain is that you can keep it and be sure that nobody else is going to take it. At the same time, it's not going to occupy a slot for a hosted domain name in your account. You may also park domains if you have a .com, for instance, and you register domains with other extensions like .net, .org or country-code ones to forward them to the main web site so as to protect a brand name.