This document provides an overview of principles of management related to leading and motivation. It defines leading as influencing people to contribute to goals, and motivation as energizing directed and sustained effort toward goals. Key motivation theories are discussed, including Maslow's hierarchy of needs, McGregor's Theory X/Y, Herzberg's two-factor theory, and McClelland's three needs theory. Leadership is defined as influencing willing enthusiasm toward goals. Different leadership styles like charismatic, contingent, and path-goal theories are outlined. The difference between leaders and managers is that leaders have followers while managers have employees working for them.