The document discusses curriculum design and its various components. It outlines different views on the purpose of education, including developing intelligence and focusing on socialization. The parts of curriculum design should align philosophical ideas with beliefs about learning. There are four main sources of curriculum - science, society, moral doctrine, and knowledge. Curriculum can be organized horizontally across topics and grades or vertically by increasing difficulty within a topic. The three basic curriculum designs are subject-centered, learner-centered, and problem-centered.