Human resource management (HRM) involves managing a company's employees effectively and efficiently to gain a competitive advantage. The key functions of HRM include human resource planning, recruitment and selection, performance management, learning and development, career planning, rewards, and health and safety. HRM aims to define an organizational structure that drives productivity, develop coordination and communication, dedicate time to finding and developing staff, and embrace societal and ethical values. The major areas of HRM are planning, staffing, employee development, and employee maintenance.