Two way communication is such a communication on which flow of information pushed on two direction. Basically, When sender sends a message and receiver receives the sent message and after receiving the receiver also send message to the original sander which is called as feedback, the communication is here called as two way communication.
Business Consi has arranged some articles on two way communication which may help you to learn two way communication and communication process.
What is Two-way communication
This article defines two way communication with authoritative definition.
Importance of Two-way communication
Causes of Poor Feedback
Essential Principles of Feedback