This report explores the utility and objectives of marketing function in an enterprise, differentiates between the methods of applying marketing mix, and presents a marketing plan for TESCO. It covers the purposes of marketing function, objectives and duties of marketing in relation to the larger organizational context, and the marketing mix strategies of TESCO. The report also includes a detailed marketing plan for TESCO, including its mission, vision, objectives, STP strategy, SWOT analysis, and marketing budget.