This document discusses key concepts around corporate governance including definitions, principles, and roles. It defines corporate governance as the system by which companies are directed and controlled, involving transparency, accountability, and stakeholder interests. It outlines the OECD principles of protecting shareholder rights, equitable treatment, recognizing stakeholder roles, disclosure, and board responsibilities. It also summarizes the roles of shareholders in electing directors and monitoring management, and the functions of boards of directors in strategic planning, risk management, and oversight.