Highmark is a company that helps people stay healthy by providing health insurance. This means that Highmark pays for doctors and medicine when people are sick and need help. It's kind of like when your parents pay for your doctor visits when you're not feeling well.
The people who work at Highmark are called doctors, nurses, and other healthcare professionals. They help people when they're not feeling well and try to make them feel better. They also teach people how to stay healthy so they don't get sick in the first place.
When you go to the doctor or get medicine, your parents give your health insurance card to the people who are helping you. Highmark then pays for the things you need, like medicine or a visit to the doctor.
Highmark isn't just for individuals though, some people work for companies and the company will purchase health insurance from Highmark to offer to their employees. This means that if the employees gets sick or hurt, they can go to the doctor or get medicine and their insurance will pay for it.
In short, Highmark helps you stay healthy by paying for doctors and medicine when you're sick or hurt. They have a team of healthcare professionals who help people feel better and stay healthy.