1. Terminal hair: This is the thicker, coarser, and pigmented hair that grows on the scalp, eyebrows, eyelashes, armpits, pubic area, and in men, the face (beard and mustache).
2. Vellus hair: This is the finer, softer, and less pigmented hair that covers most of the body, except for the palms of the hands, soles of the feet, and lips.
It's important to note that there are also other ways to categorize hair, such as by texture (straight, wavy, curly, etc.), color, and growth pattern.