This document discusses principles of curriculum development in medical education. It covers: 1) Goals of medical education which include meeting patient/society needs, balancing basic and clinical sciences, and developing knowledge, attitudes, and problem-solving skills. 2) Major changes in curricula over time from apprenticeship to discipline-based, organ-system based, and now outcome-based models. 3) Examples of outcome-based frameworks used internationally to define competencies in areas like patient care, medical knowledge, and professionalism.