The document discusses communication and the functioning of the human brain. It explains that communication is essential not only to transmit messages to others, but also to influence our personal mindsets. Effective communication allows us to develop new connections in the brain and increment our total number of brain cells. Some key aspects of communication mentioned are using various media channels, visualizing messages, speaking clearly, asking questions, summarizing discussions, and showing emotion. Proper communication helps improve memory, critical thinking, and understanding through perception, reading, writing, calculation, creativity and more.