This document defines and provides examples of key marketing concepts including needs, wants, demands, markets, business, and marketing. It outlines five core marketing concepts: the production concept, which focuses on efficiency; the product concept, which emphasizes product improvements; the selling concept, which relies on promotion; the marketing concept, which satisfies customer needs; and the societal marketing concept, which considers social impacts. Overall, the document introduces fundamental terminology and frameworks used in marketing strategy and customer satisfaction.