Grapevine communication is an informal pathway and does not qualify as a formal communication type. In contrast, upward, vertical, and horizontal communication are all considered formal pathways within organizations. Understanding these distinctions is key to managing effective communication in business settings. ;
The communication pathway that is not formal is Grapevine Communication, as it is informal and does not follow a structured channel. In contrast, Upward, Vertical, and Horizontal Communications are all categorized as formal. Recognizing these differences is crucial for effective organizational communication.
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