Description: The graviton is a hypothetical elementary particle proposed in quantum field theory as the mediator of the gravitational force. In the framework of modern physics, it is believed that all fundamental forces of nature are mediated by particles known as bosons. For example, the photon mediates the electromagnetic force, while the gluon mediates the strong nuclear force. Following this logic, the graviton is proposed as the carrier of gravity, one of the four fundamental forces. It is expected that the graviton is a massless particle with a spin of 2, which distinguishes it from other mediating particles. Despite its theoretical importance, the graviton has not yet been experimentally observed, posing significant challenges in unifying quantum mechanics and general relativity. The search for the graviton is an active area of research in theoretical and experimental physics, as its discovery could provide a deeper understanding of gravity and its relationship with other fundamental forces. In summary, the graviton represents a crucial concept in the quest for a quantum theory of gravity, which could revolutionize our understanding of the universe.