On a human body, the head is the part with your skull, brain, eyes, ears, and mouth. Nod your head if you understand which part of your body includes your head.
In music, the head of a drum is a membrane that stretches over the drum's shell. When you strike the head with sticks or brushes, you can create rhythms. A person who is in charge of a group of people is also called a head. The principal is the head of the school. As a verb, head can also mean to be in charge of or to move in a particular direction.