A demand chain is an interconnected series of business processes and activities designed so firms can understand, manage and motivate customer demand in markets within the firm's current and potential capabilities and product range. If a firm does not understand its demand chain, it is impossible for the firm to design an effective supply chain. A value chain is essentially the demand chain plus the supply chain. Demonstrate an understanding of a demand chain: An explanation of a demand chain An identification of the constituent parts of a demand chain Why a business should understand the constituent parts of their demand chain A description of how a demand chain is created A description of how a demand chain can be beneficially used An example of a demand chain Choose a Fortune 500 company and describe its demand chain.