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Formal Communication
refers to official channels that are pre-defined by the organization, such as memos, reports, and emails.
Informal Communication
refers to unofficial channels that are not pre-defined, such as gossips, rumors, and social media.
Oral Communication
refers to spoken words, such as face-to-face conversations, phone calls, and video conferences.
Written Communication
refers to written words, such as emails, memos, and reports.
Internal Communication
refers to communication within the organization, such as between employees, departments, and management
External Communication
refers to communication outside the organization, such as with customers, suppliers, and other stakeholders.