An Internet address or domain name is the equivalent of your postal address on the Internet. your identity on the Internet and provides you with an address that other Internet users or your contacts and customers will find your website on the World Wide web. Therefore a domain name is essential when creating your website. The domain name is just a name with the extension (.com, .in, .co.in, .net, .org, .info,.etc) such as google.com.

An Internet address is composed of a "www" prefix (world wide web) and of a domain name. This domain name itself is composed of a chain of characters and of an extension (TLD - Top Level Domain). Your domain name is the key to your address on the Internet.

You also use your domain name for your email address.In your admin area for your domain name you can point it to where the website files are (on a web host server somewhere) and you can set up email aliases or pop email accounts.