The term 'pairs or couples' can be summarized as two individuals or entities that are connected in some way. The term 'dyads' is a five-letter word that is used to describe this concept, and it refers to two people or things that are closely related or connected. Dyads are often used to refer to relationships between two people, such as romantic partners, siblings, or friends. They can also refer to two objects or concepts that are linked together, such as a cause and effect relationship.