A domain is the internet address on which users can access your website, for example, site123.com.
Every domain name is unique, no two websites can have the same domain.
Owning a domain means owning a space on the web where anyone can search and find the website you attach to that domain.
A domain name can be made out of letters and numbers, and it can be used in combination with various domain extensions, such as .com, .net, .org, and more.
The domain name must be registered before you can use it.