This report provides an introduction to marketing and its components, including the 7Ps of marketing, Ansoff's Growth Matrix, and digital marketing. It also discusses how businesses address challenges in competitive markets and the impact of globalization on these markets. The report focuses on Tesco, a UK-based supermarket chain, and how it has expanded its services in several countries and generated a good customer base. The report concludes with a discussion of how marketing strategies have helped Tesco dominate in internal and external markets.