Here's a breakdown:
* Singular: Means there is only one of something.
* Common: Refers to a general category or type of thing.
* Noun: A word that names a person, place, thing, or idea.
Examples:
* Dog: This refers to a general type of animal, not a specific dog.
* Book: This refers to a general type of written material, not a specific book.
* Chair: This refers to a general type of furniture, not a specific chair.
* Flower: This refers to a general type of plant, not a specific flower.
Contrast with Proper Nouns:
* Proper nouns: refer to specific people, places, or things (e.g., John, New York City, The Eiffel Tower). They are always capitalized.
Let me know if you have any more questions!