This document discusses theories and concepts related to leadership. It begins by defining leadership as the process of influencing others toward achieving group goals. It notes that leadership involves both rational and emotional aspects, and touches on both the science and art of leadership. The document distinguishes between the roles of managers and leaders, and notes that both are important for organizational success. It also discusses the relationship between leaders and followers, stating that there is no clear division and the roles merge. Several myths about leadership are debunked, including that leadership is only common sense or that leaders are solely born rather than made. The document concludes by noting that effective leadership depends on factors related to the leader, the followers, and the situation.