This report provides a comprehensive overview of digital and social media marketing, examining their significance in contemporary business environments. It begins by defining key marketing concepts, including the marketing mix (product, price, place, promotion, people, process, and physical evidence) and the role of the communications mix. The report uses Sainsbury's as a case study to illustrate these concepts. It then delves into digital and social media marketing, explaining their importance and providing examples of effective social media content. The report also explores models and standards for digital marketing, such as Lauterborn’s 4Cs and Hofackers 5 phases of information processing, and discusses the effectiveness of social media content in increasing brand awareness and improving conversion capabilities. The conclusion emphasizes the benefits of digital marketing and social media marketing for businesses in reaching a broad audience efficiently.