The outline or contour of something; a method in art of drawing the outline or edge of a form.
From Italian 'contorno' (outline), derived from Latin 'contornare' (to turn around). It's used in art history and technique.
Renaissance artists perfected 'contorno'—drawing just the outline of a figure without internal details—to develop their understanding of form before adding complexity, and it's still a fundamental drawing exercise today.
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