This note introduces readers to concepts about products. It explains various definitions of what a product is, emphasizing that products are not what the producer wants them to be but how the consumer perceives them. It looks at the value hierarchy for the customer and the levels of the product (core benefit, generic product, expected product, augmented product and potential product) and then goes on to explain its physical and psychological attributes. Next, it delves into the brand emphasizing that it is one of the key elements of the commercial strategy used for products and a valuable strategic asset and then takes a look at the brand identity. Using Nike as a practical example, it introduces readers to the hierarchy of benefits and how to use the brand’s attributes to identify the final identity of the brand. It describes the differences between consumer goods, industrial goods and services and also talks about how to manage a portfolio of products using Procter & Gamble and Pantene as an example. Then it describes the stages of the product market life cycle and how it is essential for any company that wishes to remain profitable over the long term to develop new products. Looking at the Ansoff Matrix, readers are introduced to four different strategies regarding products and markets. Lastly, the note explains the BCG growth/relative market share matrix to show how to determine the strategic situation of a company’s products/markets and the AC matrix to determine the attractiveness and competitiveness of a market.