This report provides a comprehensive overview of marketing essentials, focusing on the roles and responsibilities of the marketing function within an organization, particularly in relation to other functional units. It delves into key marketing functions such as market research, price determination, buying abilities, promotion, storage, process, risk bearing, product development, grading, market details, finance, selling, and post-sales service. The report further examines how the marketing department interrelates with production, research and development, sales, finance, and human resource management. It also compares the marketing mix (7Ps) of Toyota and Honda, analyzing their product strategies, pricing, distribution, promotion, people, processes, and physical evidence to achieve overall business objectives. Finally, it touches upon the development and evaluation of a basic marketing plan, highlighting the importance of understanding customer needs and market trends.