A parked Internet domain is one that's taken, but it's not linked to another service - web or e mail hosting. Basically, this type of domain will not open any real content when you type it inside an Internet browser, but nobody else can take it as you've already registered it and you are its owner. The advantage of obtaining a domain name and parking it afterwards is that you will be able to keep it and not worry that somebody else might register it meanwhile if, for instance, the website for it is not ready yet. You could set a temporary Under Construction webpage for a parked Internet domain while you are working on your site, or direct it to some other web address - temporarily or permanently. The second option can be employed if you have already registered domain.com, for example, and you acquire domain.net and domain.org, so that you can protect a brand name or a trademark. In this case, the .net and .org domain names can be parked and directed to the .com since you do not need separate websites for them.