This document discusses different perspectives on curriculum and curriculum development. It defines curriculum broadly as the total learning experiences of individuals, not just subjects taught in school. Traditionally, curriculum was viewed as a set of subjects or disciplines, but progressive views define it as all planned and enacted experiences. Curriculum development models like Tyler's and Taba's emphasize defining objectives, selecting content, organizing learning experiences, and evaluating outcomes. Schools implement recommended, written, taught, supported, assessed, learned, and hidden curriculums.