This report, titled "Marketing Essentials," delves into the core concepts of marketing, focusing on the application of these principles within the context of McDonald's. The report begins by defining marketing and its role in creating customer value and building relationships. Task 1 examines the roles and responsibilities of marketing functions, providing a historical overview of McDonald's and its evolution. It explores various marketing concepts such as production, selling, product, marketing, and social concepts. The report then outlines the key functions of marketing, including management information systems, product and service management, pricing, distribution, financing, selling, and promotion. Task 2 analyzes the organizational structure of a large organization like McDonald's, highlighting the roles of various departments such as production, administration, research and development, finance, human resources, sales, marketing, ICT, distribution, and customer service. Task 3 focuses on the marketing mix, examining the elements used by McDonald's to target its market. The report concludes with a marketing plan for launching a new product, summarizing the key strategies and approaches employed by the company. The overall objective is to provide a comprehensive understanding of marketing strategies and their practical application within a real-world business context.