This document discusses social determinants of health and access to healthcare. It presents models showing that access to care is determined by biological/need variables, demographic variables, socioeconomic status, place of living, and social variables. It also discusses the concepts of equity versus equitability of access, and how inequitable access can lead to unjust health outcomes and violations of people's right to health and access to care. The document analyzes components like access, socioeconomic status, and social justice as principles of social determinants of health.