The document discusses the relationship between marketing and various other functional areas within a business, including human resources, research and development, finance, and systems. It explains how marketing can collaborate with and support the goals of these other departments. For human resources, marketing techniques can be used to attract, motivate, and communicate with employees. For research and development, marketing helps ensure new products and services meet customer needs and drive innovation. Finance provides the resources for marketing activities and sets sales targets. Systems like social media and mobile apps now play a key role in integrated marketing communications.