What is Health Insurance?

Health insurance is a type of coverage that helps pay for medical care such as doctor visits, hospital services, prescriptions, and preventive care by sharing healthcare costs between you and an insurance plan.

Health insurance can feel complex, especially when different websites use different terminology. Below is a full, comprehensive list of the most commonly used health insurance terms and definitions. It includes everything from the core basics to the more advanced concepts, all consolidated into one easy-to-navigate page so you can understand the language of health coverage without searching across multiple sources. All created with the help of modern, reputable sources.