The document discusses different models of curriculum, including: 1. The Tyler Model which focuses on educational purposes, experiences, organization, and assessment. 2. The Taba Model which involves 7 steps including diagnosis of needs, formulation of objectives, and evaluation. 3. The Saylor and Alexander Model which views curriculum development as consisting of specifying goals and objectives, designing the curriculum, implementing it, and evaluating it. 4. Models for students with disabilities including developmental, functional, and ecological approaches. 5. Characteristics of different types of curriculums such as integrated, activity-based, learner-centered, core, hidden, null, and spiral curriculums.