* Specific nouns refer to a particular, unique thing. For example, "the Eiffel Tower" or "my dog Sparky."
* "Elbow" is a common noun. It refers to a general body part that all humans have.
Examples:
* Specific noun: "The elbow on my right arm is sore." (This refers to a specific elbow - yours)
* Common noun: "He hit his elbow on the table." (This refers to an elbow in general)
Let me know if you have any other words you want to categorize!