This document discusses product marketing concepts including the nature of products, classifications of consumer and business products, and services. It defines the three levels of a product - core, actual, and augmented. Consumer products are classified as convenience, shopping, specialty, or unsought. Business products include materials/parts, capital items, and supplies/services. Key characteristics that differentiate services are discussed. The document also covers extending product classifications and the firm's product decisions around attributes, branding, and brand strategies.