The document discusses the various organizational functions within a large company such as Sainsbury's. It describes the main functional areas as administration, customer service, finance and accounts, research and development, sales, marketing, production, and human resources. It provides details on the roles and importance of each functional area, including that administration supports the work of the organization, customer service looks after customers, finance monitors income/expenditure and is important for decision making, research and development improves and develops new products, and the other functions include sales, marketing, production, and human resources.