The document discusses the meaning and concepts of curriculum. It defines curriculum as the total learning experiences of individuals in schools and society. Curriculum refers to both the instructional program and educative experiences that help students achieve their life goals and reflect the aims of education. The document outlines several curriculum models including Tyler's model, Hass and Parkay's model, and Taba's pilot unit development model. It identifies the major components or elements of curriculum as aims/objectives, subject matter/content, learning experiences, and evaluation approaches. The document also discusses different types of curriculum operating in schools and the need for curriculum development to fulfill clear purposes and goals.