1. The document discusses different types of business communication based on structure, medium, flow direction, and response.
2. Types of business communication by structure include formal and informal communication. Formal communication follows official rules while informal is casual communication.
3. Communication types also differ by medium, including verbal (oral or written) and non-verbal communication through body language and artifacts.
4. Direction of communication flow defines types as upward, downward, horizontal, or diagonal depending on who the information is coming from or going to within an organization.
5. Communication is also categorized as one-way, where there is no feedback, or two-way, which involves a response from the receiver.