What is a domain name? Before we get into what a domain name is I'll tell you why we need them because the answers are complementary. The Internet is just a very large collection of connected computers (a network). With the purpose of explaining domain names you can think of the Internet a bit like the telephone system and like the phone system every computer on the Internet has its own phone number except an Internet phone number is called an IP address. This address is composed of 12 digits...