This document discusses curriculum design and models. It explains that there are two ways to organize a curriculum: horizontal organization and vertical organization. Horizontal organization refers to arranging content across subjects in the same grade based on related themes or skills. Vertical organization emphasizes relationships among topics across grade levels in a given field. The document then outlines several fundamentals of curriculum designing, including ensuring it is dynamic and responsive to changes, involving teachers, and establishing clear outcomes, resources, and evaluation. It describes key dimensions of curriculum design as scope, sequence, articulation, balance, continuity, and integration.