The document discusses different perspectives on the concept of curriculum. It defines curriculum from traditional and progressive viewpoints. Traditionally, curriculum referred to a set of subjects to be taught, while progressive views see it as all learning experiences. The document also outlines 12 types of curriculum, including formal, hidden, null, and societal curriculums. It notes the characteristics of an effective curriculum such as breadth, balance, relevance and progression. Finally, it poses discussion questions about critical thinking, authentic tasks, and measuring curriculum effectiveness.