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A message is a piece of a communication. There are multiple types of messages: including biological messages (such as pheromones or warning signals), electronic messages (such as emails or programmatic messages), human messages (such as sentences or gestures), and certain others. == Human communication == In communication between humans, messages can be verbal or nonverbal: * A verbal message is an exchange of information using words. Examples include face-to-face communication, telephone calls, voicemails, etc. * A nonverbal message is communicated through actions or behaviors rather than words, e.g. by the use of body language. == Computer science == There are two main senses of the word "message" in computing: messages between the human users of computer systems that are delivered by those computer systems, and messages passed between programs or between components of a single program, for their own purposes. * Instant messaging and e-mail are examples of computer software designed for delivering human-readable messages in formatted or unformatted text, from one person to another. * Message passing is a form of communication used in concurrent and parallel computing, object-oriented programming, and interprocess communication, where communication is made by sending messages to recipients. In a related use of this sense of a message, in object-oriented programming languages such as Smalltalk or Java, a ''message'' is sent to an object, specifying a ''request'' for action. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「message」の詳細全文を読む スポンサード リンク
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