Human resource development (HRD) involves training employees to improve skills, distributing helpful resources, and providing career development opportunities. It includes training new employees, ongoing learning, and preparing people for future roles. The key components of an effective HRD program are career planning, training, education, development activities, and maintaining a good quality of work life. HRD aims to develop knowledgeable, skilled staff and help the organization achieve its goals through continuous learning and development of employees.