This document discusses the role and responsibilities of managers. It defines management as a set of activities including planning, organizing, leading and controlling resources to achieve organizational goals efficiently and effectively. Managers at different levels (top, middle, first-line) and in different areas (marketing, finance, etc.) must fulfill roles like figurehead, leader and liaison. They also need skills such as technical, interpersonal, conceptual, diagnostic, communication, decision-making and time management. The manager's job involves planning work, organizing employees, controlling performance, and leading employees to motivate them and create an efficient work environment.