The document discusses the process of product design for designing a chair. It describes the 7 stages of product design which include: 1) Identifying customer needs through client meetings, 2) Developing a design brief, 3) Researching other similar products, 4) Formulating and modifying the design, 5) Finalizing a preferred design option, 6) Developing detailed designs and testing, and 7) Manufacturing and selling the final product. The process involves ideation sketching, concept sketching, and construction drawings at different stages to develop the chair design.