An internal customer refers to an individual or department within a company or organization that receives goods, services, or information from another department or individual within the same company. This can include employees, managers, and support staff who rely on the work of their colleagues to effectively carry out their own responsibilities. The concept of internal customers emphasizes the importance of teamwork, communication, and collaboration within a company, as each department or individual plays a crucial role in the overall success of the organization. By treating each other as internal customers, employees can foster a positive and efficient work environment, leading to improved productivity and customer satisfaction.