What is e-mail?

e = electronic  mail = post or letters.    e-mail = electronic letters.

e-mail is a system for sending letters from one computer to another.

If you want to use e-mail you must have your own e-mail address. Then you can send a letter to another person's e-mail address.

E-mail is more private than message boards. Your message does not go on display for everyone to see. It is just sent to the person you addressed it to.