This document outlines organizational behavior and defines key concepts. It begins by defining organizational behavior as understanding, predicting, and managing human behavior in organizations. It then discusses the origins of organizational behavior in the works of Taylor, Fayol, Mayo, and Drucker. Three theoretical frameworks are introduced: cognitive framework, behavioristic framework, and social cognitive framework. The importance of organizational behavior is also noted as improving skills, motivating employees, understanding human nature, and increasing efficiency and effectiveness.