The Domain Name is your website URL address. A Domain Name is registered with a Website Hosting Provider. For example, you would register “yourbusinessname.com” all in lower case with no space, but not necessary with the .com extension.

The file extension is what follows the period. It can be .com, .net, .info, .biz, .ca, .us, .uk and so on, as they are many of them. Of course the oldest and most popular is the .com which is very hard to get on popular keywords because it has been around since the beginning.

The cost to register a Domain Name can be from around $8.95 to $... per year plus applicable taxes. When possible you want to choose a Domain Name that would relevant to your business as well as a popular keyword in your field would increase the chances to better visibility.