Email - Message that is distributed electronically from one computer to another, Telephone - An electrical system that you use to talk directly to someone else, Text - Composing and sending electronic messages between 2 or more users via mobile devices, Letter - A written, typed or printed communication sent in an envelope by post , Fax - An exact copy of a document made by scanning and transmitting as data by a telecommunication link, Memorandum - Used for internal communication within a business, sent to a large group, Meeting - An assembly of people for a formal discussion,

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