| A | B |
|---|
| Fixative | spray keeps drawing from smearing |
| Vine Charcoal | soft charcoal |
| Compressed charcoal | hard dark charcoal |
| positive space | area or part of a painting's composition that the subject occupies |
| negative space | The area around the positive space |
| contour line | line which defines a form or edge - an outline |
| cross contour | lines that “wrap” around the objects to define the forms |
| mass drawing | shading the whole object to define shape |
| masking | shading techique-shading on uniform side of the object |
