What is what does down to earth mean?

Down to earth is an idiom used to describe people who are practical, realistic, or unpretentious. It refers to a person who is level-headed, sincere, and humble. It is often used to describe individuals who lack pretension, arrogance, or smugness. A person who is down to earth is easy to relate to and is not interested in showing off, boasting, or exaggerating. It can also mean being in touch with reality and the natural world, possessing a strong connection with the environment and being aware of what is happening in the world.