[{"Bold_text": "noun", "List Items": ["the distribution of light and shade in a picture.", "Painting.the use of deep variations in and subtle gradations of light and shade, especially to enhance the delineation of character and for general dramatic effect:Rembrandt is a master of chiaroscuro.", "a woodcut print in which the colors are produced by the use of different blocks with different colors.", "a sketch in light and shade."]}]