In drawing and painting, to raise the value of areas with white or a pale color in order to complete the rendition of forms. Along with its opposite ? shading ? an important aspect of chiaroscuro.A related link: The articles on liquid media, including various means of heightening in Drawing Materials and Drawing Techniques, a Guide and Glossary by Michael Miller. Also see acrylic paints, autographic ink, body color, Chinese art, gouache, highlight, India ink, ink, Japanese art, luminosity, oil paint, perception, quill pen, seeing, sepia ink, tenebroso or tenebrism, wash, watercolor, and zinc white.