This comprehensive guide delves into the fundamental principles of marketing, exploring its role within organizations and its interrelation with other functional units. It examines the key duties and responsibilities of a Marketing Officer, proposing a structured marketing department framework. The guide further analyzes the 7Ps of the marketing mix, comparing the approaches of 'Your Destination' and 'National Express' in achieving their business objectives. Finally, it develops and evaluates a basic marketing plan for an organization, providing a practical framework for implementing effective marketing strategies.