The document provides descriptions of the roles and responsibilities of various business departments, including sales, purchasing, manufacturing, administration, customer service, logistics, finance, human resources, IT support, marketing, research and development, and legal. The sales department is responsible for selling products and services, taking orders, negotiating prices, and keeping customers informed of new offerings. The purchasing department finds suppliers and ensures the business has what it needs to operate. The manufacturing department physically makes products. Administration keeps the business organized while customer service handles customer issues and feedback. Logistics oversees operations and ensures efficiency. Finance manages money, taxes, and financial reporting. Human resources handles personnel. IT support maintains technology. Marketing communicates with customers. Research