Organizational behavior is the study of how people interact within organizations. It helps improve organizational performance by understanding individual and group dynamics. Key topics covered include the nature of organizations and their characteristics like specialization of work and continuity. Organizational structures like functional, team, matrix and network are discussed. Environmental factors and people within the organization also influence its nature. Management functions of planning, organizing, leading and controlling are important for goal achievement. Leadership skills can be nurtured through education and experience.