This document discusses different ideologies of curriculum development. It outlines 5 main ideologies: 1) Academic Rationalism which focuses on academic subjects, 2) Social and Economic Efficiency which aims to produce economically productive citizens, 3) Learner-Centeredness which prioritizes the needs and interests of students, 4) Social Reconstructionism which uses education to reform society, and 5) Cultural Pluralism which values diverse cultures. The document examines the process of curriculum development and how ideologies influence language around curriculums.