This document discusses several key concepts in management theory including systems approach, socio-technical theory, and contingency approach. It also covers topics like goal setting, integration and coordination, power and politics in organizations, communication, and decision making. The systems approach views an organization as interconnected subsystems with goals of growth, stability, and interaction. Socio-technical theory focuses on the social and technical aspects of work. Contingency approach believes there are no universal guidelines and the approach depends on the situation.