The document discusses different types of products that are marketed. It outlines 5 basic levels of products with increasing customer value: the core benefit, formal/expected product, augmented product, potential/future product. It then describes different categories of consumer products - convenience products, shopping products, specialty products, and unsought products. It also outlines categories of industrial products - materials and parts, capital items, and supplies and services. Overall, the document provides an overview of the different levels and categories of products that companies develop and market to customers.