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An Italian word for “mixture,” used to describe a painting technique wherein paint is thickly laid on a surface, so that brushstrokes or palette knife marks are visible.

Impressionism developed in France in the nineteenth century and is based on the practice of painting out of doors and spontaneously ‘on the spot’ rather than in a studio from sketches. Main impressionist subjects were landscapes and scenes of everyday life.

Ink is an ancient writing and drawing medium in liquid or paste form, traditionally black or brown in colour – though it can also contain coloured dyes or pigments.