What are the two parts of an Email address?

An email address is an address composed of two parts- a username and a domain name seperated by a @ sign eg. abc @ example. com. The username (abc) is the name you choose to be identified with for email purposes and that you have provided to the email host to create youremail account. The domain name is the internet destination for the emailhost, which may be a private site, company, organization or government entity. The extension can be any of many options such as .com, .org, .gov, .int, .info, etc.