Management: An Overview discusses the key concepts of organization and management. It defines management as coordinating work activities efficiently and effectively through other people. The document outlines classical management theories from Taylor, Fayol, and Weber. It also summarizes behavioral approaches from the Hawthorne Studies and McGregor's Theory X and Y. Contemporary approaches discussed include Ouchi's Theory Z and Contingency Management theories. The levels and functions of management are defined along with the skills required at each level.