Here's a breakdown:
* As a surname: It's one of the most common surnames in China, with millions of people bearing this family name. Its origin is ancient and linked to the concept of kingship.
* As a word: It means "king" or "ruler" and is often used in historical and literary contexts.
It's important to note that when "Wang" is used as a surname, it's pronounced with a different tone than when it's used as a word meaning "king."
Let me know if you'd like to know more about the history of the Wang surname or other Chinese characters!