an element of art that is used to define space, contours, and outlines, or suggest mass and volume; it may be a continuous mark made on a surface with a pointed tool or implied by the edges of shapes and forms LINE lines created with a variety of tools; can be outlines, contour lines, single lines, or hatching. DESCRIPTIVE LINE lines with little variation that describe the outer edges of shapes that appear flat. OUTLINE lines that define the outer edges of forms and surfaces within a form, such as shapes or wrinkles and folds; used in contour drawings to suggest depth in addition to height and width CONTOUR LINE - shading using closed spaced, parallel lines; used to suggest light and shadow. HATCHING shading created by crosses parallel lines CROSS HATCHING lines that are indicated indirectly in artworks at edges where two shapes meet, where a form ends and the space around it begins, or by positioning several objects or figures in a row IMPLIED LINE where one shape ends and another begins, resulting in implied lines. EDGE the tendency to complete partial forms or shapes by seeing lines that do not exist. CLOSURE implies lines suggested by the direction in which figures in a picture are looking, or from the observer’s eye to the object being looked at. LINE OF SIGHT lines that are produced to express an idea, mood, or quality (for example, grateful, nervous, aggressive, delicate, etc.). EXPRESSIVE LINES lines found in very abstract and nonobjective artworks that do not describe anything; they are meant to be seen only as lines ABSTRACT LINE Vocab Words