A Domain Name is what makes your name different from everyone else. For example, the 'yahoo' portion of yahoo.com is a Domain Name. Your domain will also be unique.
A designation which is reserved for exclusive use by a person or organization throughout the Internet. In the URL: http://www.diskbooks.org/xxx.html, diskbooks.org is my domain name. Dot com: The pronunciation of the following component of many commercial URLs: .com com represents the fact that the owner of the domain is a commercial organization. As a general rule, it is a good idea for churches to use a Dot Org [.org] domain name. Example: www.christchurchnashville.org
The text name that refers to a grouping of networks or network resources based on organization-type or geography; for example: name.com - commercial; name.edu - educational; name.gov - government; ISPname.net - network provider (such as an ISP); name.ar - Argentina; name.au - Australia; and so on.