A parked domain is one which is taken, but it is not connected to another service - web or e mail hosting. Put simply, this kind of domain name won't open any actual content when you type it inside an Internet browser, but nobody can take it as you've already registered it and you are its owner. The benefit of obtaining a domain name and parking it afterwards is that you’ll be able to keep it and not stress that somebody else may register it meanwhile if, for example, the site for it is not ready yet. You could set a temporary Under Construction webpage for a parked domain name while you are working on your web site, or forward it to some other web address - temporarily or permanently. The second option can be used if you have already registered domain.com, for example, and you acquire domain.net and domain.org, in order to protect a brand name or a trademark. In cases like this, the .net and .org domains can be parked and forwarded to the .com because you do not need individual sites for them.
