On the Internet, domain is a unique identity and comprises of an identification string that defines a realm. Any individual, business or organization planning to have a Web or Internet presence should invest in a domain name. Domain names are used to identify one or more IP addresses. Domain is nothing but a set of unique numbers translates to an easy to remember and meaningful name. In simple words, it is a location or a web address for your website. Just thing about it as a phone number that is comprised of only numbers. You than add the phone number to your contact list and give it a meaningful name so you can remember. Similar to this concept, IP addresses or numbers are hard to remember, henceforth, they are translated to a domain name.