Barnlund's Transactional Model is a communication theory that emphasizes the dynamic and reciprocal nature of communication. Unlike linear models, it views communication as a continuous process where both sender and receiver are simultaneously involved in exchanging messages. This model highlights that feedback is immediate and ongoing, allowing for adjustments in the conversation. In this model, context plays a crucial role, as it influences how messages are interpreted. Factors such as cultural background, emotional state, and environment can affect communication effectiveness. Overall, Barnlund's model illustrates that communication is not just about sending and receiving messages, but also about understanding and responding to each other in real-time.