The document defines a hospital as a complex organization that provides medical care through prevention, diagnosis, therapy, rehabilitation, education and research using specialized equipment and trained staff working together. A modern hospital is described as an educational and social institution that focuses solely on restoring and maintaining good health through facilities like accommodation and medical stores. Hospitals are also classified based on the level of care they provide such as primary, secondary and tertiary care hospitals. The document outlines the organization and services of hospitals including their governing bodies, administration, clinical and support services.