The document discusses organizational design and different types of structures. It describes the purposes of organizing as dividing work into jobs and departments, assigning tasks, coordinating work, and establishing authority. There are two main types of structures - mechanistic, which is rigid with specialization, and organic, which is flexible with cross-functional teams. The best structure depends on contingency factors like an organization's goals, technology, environment and size. Common traditional designs include simple, functional, and divisional structures, each with their own strengths and weaknesses.