This document defines and discusses e-communication. E-communication is sending and receiving information electronically, such as through email, telephone, teleconferencing, and social networks. The objectives are to define e-communication and understand its importance. Examples of e-communication tools provided include email for sending messages and files, telephone for instant voice calls, teleconferencing for live video or audio meetings between multiple locations, and social networks for social interaction. E-communication is described as important because it saves time and money, has wide coverage, messages are traceable and persistent, and large volumes of information can be communicated.