Policies are the principles and rules that regulate the management, access, and protection of health information in a health information system, guaranteeing compliance with legal and ethical standards. Processes are the systematic procedures and actions involved in gathering, organizing, storing, and disseminating health information to ensure accuracy, accessibility, and timeliness. Workflows define the system’s job and information flow sequences, allowing for efficient coordination and collaboration among healthcare professionals and stakeholders. Procedures define how to complete specific activities inside processes, guaranteeing consistency, standardization, and quality in processing health information across the system.