Public Health is a broad field that encompasses a range of topics related to health and well-being. There are numerous terms and phrases that are often used interchangeably with Public Health, including community health, population health, global health, and environmental health. Community health focuses on the health of individuals within a specific geographic location or community. Population health examines the health of groups of people across a larger population, such as a city or nation. Global health refers to the health of people worldwide, while environmental health focuses on the impact of the environment on human health. Regardless of the specific terminology used, the goal of Public Health remains constant: to improve the health and well-being of individuals and communities alike.