In this chapter, I have used data taken from my own e-messages, supplemented by examples taken from messages sent to a younger generation, kindly supplied by my 23-year-old son and 26-year-old daughter. The desirability of a corpus of e-mail data is stressed by Johansson, and also Yates.
Source: wiktionary
Online activities include getting and sending e-messages and photos, using Facebook, sharing artwork or music, building Web sites, or Internet gaming.
Source: wiktionary
Through your computer you can send messages or files. Obviously, it also works the other way round when you are the receiver of an e-message.
Source: wiktionary