The Behaviour of Shapes: Shapes can be used to control your feelings in the composition of an artwork: Squares and Rectangles can portray strength and stability. Circles and Ellipses can represent continuous movement. Triangles can lead the eye in an upward movement.
Answer:
To establish linear perspective, an artist utilizes a horizon line to portray perspective lines in their art to establish complexity and these continue to dissolve into vanishing points.