Here is a short summary of the provided content in one paragraph: The assignment covers various topics related to training and development, leadership, and communication. It includes excerpts from books and articles on managing performance through training and development, approaches to training and development, motivational design for learning and performance, and assistant principal leadership development. Additionally, it touches upon effective communication as the essence of any company, highlighting its importance in achieving goals. Finally, it provides information on communicable and non-communicable diseases with reference.