Explanation:

- Ensuring proper feedback: Communication is a two-way street. Feedback ensures that the message is received and understood correctly.

- Being a good listener: Active listening helps in fully understanding the other person's perspective. This openness strengthens communication.

- Ensuring follow-up patience: Following up patiently ensures ongoing understanding and resolution of any outstanding issues.

- All of the above: All these factors contribute to effective communication. They each play a critical role in ensuring messages are exchanged clearly and accurately.

Answer: Option 4 - All of the above

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