Domain Name

The second part of the url, for example www.yahoo.com is the domain name. The domain name in this case is yahoo.com. There can only be one yahoo.com but there are many differnet domains as well. Some include .com, .biz, .org, .edu, .gov, etc. The domain name usually represents the company name or the website you are going to. The .com or .edu represents what body of work it is. .com is for commercial business while .edu is for educational institutions.