The document discusses the historical definitions and types of curriculum. It begins by outlining definitions of curriculum from 1957 to 1988, which evolved from focusing on a sequence of experiences to see curriculum as one's life course. It then describes the basic types of curriculum as the official, implicit/hidden, null, operative, and additional. The foundations of curriculum are said to be philosophy, psychology, sociology, and pedagogy. Major educational philosophies and learning theories are also outlined. Finally, it discusses curriculum sources, approaches including subject-centered, teacher-centered and student-centered models.