Design an email address including the four parts of an email address: a username, "at-sign", domain name and the domain extension.
A username identifies you, who you are or what you do. The domain name is generally the name of your business or related service. The domain extension depends on the type of business you're operating: a commercial business (.com), a non-profit organization (.org) or information only website (.info).
Here's an example: email@example.com.