These sources present the evolution of the concept of Health Literacy from 1973 to the present, highlighting the transition from a focus solely on individual skills to building organizations and health systems that are easy to understand. The information distinguishes between viewing health literacy as a Risk Factor — to be addressed through traditional health education — versus viewing it as an Asset that emphasizes developing skills to access and analyze information for proactive health promotion. The sources also explain Sørensen's Integrated Model, as well as the HLHCO standard (also known as V-HLO), which is used to develop healthcare facilities into health literacy organizations. The content covers measurement tools such as the HLS-EU-Q47 and its adaptation to the Thai context, with the goal of moving toward a Health Literate Society in the future