Reciprocity refers to the practice or inclination of exchanging goods or services for mutual benefit between individuals or groups.

The Principle of Reciprocity is a social norm that suggests individuals feel obligated to return favors, gifts, or good deeds received from others.

Psychological Reciprocity is an emotional response generated by an individual, in which they feel compelled to reciprocate a positive action, gesture, or gift due to the desire to maintain social harmony.

Reciprocity in Relationships refers to the equal give-and-take dynamic between partners, where both individuals contribute to the well-being and fulfillment of the other, fostering a balanced and mutually satisfying relationship.