This document provides an overview of product planning and development. It defines what constitutes a product and notes that products can be physical goods, services, persons, organizations, ideas, or places. It discusses the three aspects of a product: physical, functional, and symbolic. The document also outlines the stages of new product development from idea generation to commercialization. It describes various types of new products and the product life cycle theory. Finally, it discusses factors to consider for product planning such as customer needs analysis, marketing strategy development, business analysis, product testing, and launch.