* Hair Ends: This is the most common meaning. The ends of your hair are the very tips and are often the most damaged part due to age, exposure to the elements, and styling.
* Nape of the Neck: The hair at the nape of your neck is the hair that grows lowest on the back of your head.
To give you a more accurate answer, could you provide more context, such as:
* Are you asking about hair care for a particular section?
* Are you asking about a specific hairstyle?
* Are you asking about hair that has a particular characteristic?