To press or be pressed against something with a circular or up-and-down repeated movement.
Rub
To mix or combine together.
Blend
A set of actions that is the official or accepted way of doing something.
Procedure
Any regularly repeated arrangement, especially a design made from repeated lines, shapes, or colours on a surface.
Pattern
The things that can be seen behind the main things or people in a picture.
Background
To move far apart in different directions.
Scatter
To remove some or all of the edges from a picture, leaving only the most important part.
Crop
A piece that has been cut off of something.
Clipping
A mark with no particular shape that is caused, usually by accident, by rubbing something such as ink or a dirty finger across a surface.
Smudge
The parts of a picture or painting that the artist has made slightly darker than the other parts.
Shading
A diagram or chart; to mark or draw something on a piece of paper or map.
Plot
A simple, quickly-made drawing that does not have many details.
Sketch
A place from where a person can look at something.
Viewpoint
Thick, heavy soil that is soft when wet, and hard when dry or baked.
Clay
The pointed end of something, especially something that is long and thick.
Tip
The space between two lines or surfaces at the point at which they touch each other, measured in degrees.
Angle
Writing in a particular colour, style etc.
Lettering
A line or mark made by a movement of a pen or pencil when writing or a brush when painting.
Stroke
The quality of being thick; the distance from one side of something to the opposite side.
Thickness
A type of painting or drawing of an arrangement of objects that do not move, such as flowers, fruit, bowls, etc.
Still life