What is email?

Email is short for Electronic Mail. It is a system of sending messages over the Internet or other computer networks. It was first developed in the early 1970s and has become a popular way of communicating in today's computer-mediated world.

There are lots of different kinds of email messages, including ones with attachments and links to web pages. There are also different ways of sending messages, including via webmail and by sending emails to a user's email address.