A parked Internet domain is one which is taken, but it's not connected to some other service - web or email hosting. Basically, this type of domain name will not open any actual content if you type it inside a web browser, but nobody can take it as you have already registered it and you are its owner. The best thing about obtaining a domain and parking it afterwards is that you’re able to keep it and not stress that someone else could possibly register it meanwhile if, for instance, the website for it is not ready yet. You are able to set a short-term Under Construction page for a parked domain address while you are working on the website, or direct it to some other web address - temporarily or permanently. The latter option can be used if you have already registered domain.com, for instance, and you get domain.net and domain.org, so as to protect a brand name or a trademark. In this situation, the .net and .org domain addresses can be parked and directed to the .com since you don't need separate sites for them.