A collective noun is a noun that refers to a group of people or things. Collective nouns can be used to refer to groups of people, animals, or things. For example, the collective noun for a group of people is "crowd." The collective noun for a group of animals is "herd." The collective noun for a group of things is "bunch."
Collective nouns can be used to refer to specific groups of people, animals, or things. For example, the collective noun for a group of students is "class." The collective noun for a group of soldiers is "army." The collective noun for a group of fish is "school."
Collective nouns can also be used to refer to general groups of people, animals, or things. For example, the collective noun for a group of people is "people." The collective noun for a group of animals is "animals." The collective noun for a group of things is "things."