This report examines the core principles of marketing, addressing the roles and responsibilities within a marketing function and their relation to the wider organizational context. The report defines marketing, outlines marketing processes, and explores current trends such as relationship and societal marketing. It delves into the structure and operations of marketing departments, including functional and flat structures, while also differentiating between B2B and B2C marketing approaches. The analysis further investigates the importance of marketing as a business function, highlighting its interrelationships with other departments like finance and human resources. The Coca-Cola company is used as a case study to illustrate key concepts. The conclusion summarizes the key takeaways regarding the significance of marketing in promoting brands and fostering customer relationships.