If you wish to register a domain to make sure that nobody else will take it, but you have not built the website for it yet, you can park it. It's a feature that registrar companies provide if a domain name is not linked to any web or e-mail hosting service. This way, you are able to protect a brand name, for instance, and you will own the domain name in question although it will not open any content. If you would like, you may choose some default template that the registrar offers, such as For Sale or Under Construction, you can also forward the domain name to an alternative web address. The second option is extremely helpful if you own a number of domain names, but you want every one of them to open the same website. For instance, you may register domain.net and domain.org, then park them and forward them to domain.com. In this example, you will need hosting for the third domain address only and the traffic to the other ones will be redirected to it.