A collective noun is a name given to a group of people, animals, or things that are thought of as a single unit. Some examples of collective nouns provided are a bundle to describe a group of clothes, a gang to describe a group of robbers, a team to describe a group of cricket players, a herd to describe a group of cows, and a crew to describe a group of sailors. The document discusses collective nouns and provides a brief example exercise to fill in blanks with appropriate collective nouns.