This document summarizes key topics from a lecture on organization, including organization structure, design elements, and change management. It discusses types of organizational structure like functional and divisional structures. It also covers concepts like work specialization, span of control, and centralization versus decentralization. Change management theories by Lewin are summarized, including the three steps of change: unfreezing, moving, and refreezing. Finally, it briefly touches on organizational culture and issues in management.