1. Common Noun: When referring to a general label or marker, it's a common noun.
* Examples: "I put a price tag on the item." "They added a tag to the suitcase."
2. Proper Noun: If "tag" is the name of a specific person, place, or thing, it becomes a proper noun.
* Example: "My friend, Tag, is coming over for dinner." (This "Tag" is a person's name)
3. Collective Noun: "Tag" can also act as a collective noun when referring to a group of people.
* Example: "The children played tag in the park." (The group of children are collectively called "tag" in this context)
4. Abstract Noun: Sometimes, "tag" can be used as an abstract noun, representing an idea or concept.
* Example: "The tag line for the new product is catchy." (Here, "tag line" represents a concept)
So, the specific type of noun "tag" is depends on the context in which it is used.