Grouping (noun)

1. An arrangement of people or things into a group or groups.
2. The act or process of forming a group or groups.
3. A collection or set of things that are grouped together for a particular reason.

Origin:

Mid 17th century: from group + -ing.

Examples:

1. The teacher asked the students to form a grouping and work on the project together.
2. The grouping of the chairs allowed for more people to sit in the room.
3. The grouping of the data helped to identify patterns and make better predictions.
4. The grouping of the animals in the zoo was based on their natural habitats.
5. The musician's grouping of the notes into chords helped to create a richer sound.