Different forms of communication vary in terms of participants, channels used, and contexts.
Participants: Each form of communication involves different participants, such as individuals in intrapersonal communication, dyads in interpersonal communication, and larger groups in group communication.
Channels used: The channels used vary among forms, like spoken language in interpersonal communication, written documents in mass communication, or visual aids in public communication.
Contexts: The contexts in which these forms occur differ, for example, intrapersonal communication happens within a person's mind, while public communication takes place in front of an audience.
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