Chiaroscuro is an Italian term that refers to the use of light and shadow to create a sense of volume and depth in a work of art. The technique was developed during the Renaissance and was used by artists such as Leonardo da Vinci and Caravaggio to create highly dramatic and atmospheric images. Chiaroscuro is characterized by its strong contrasts between light and dark, and is often used to create a sense of drama, emotion, and realism in a work of art. The technique has had a significant impact on Western art and continues to be celebrated for its beauty and power today.