1) Human resource management involves managing an organization's employees, including activities like recruitment, training, compensation, and integration. It aims to achieve individual, organizational and societal goals.
2) HRM functions include planning, organizing, directing, and controlling human resources. It also includes specific activities like employment, development, compensation and human relations.
3) HRM is influenced by factors both within the organization like its objectives and policies, and external factors in the environment such as economic, social, political, technological and legal conditions. The goal is to effectively manage human resources and maximize their contribution to the organization.