Starts with explaining visual elements, goes through design principles, balance, visual effects, and more. Teaching tips included too.

A site by watercolor artist John Lovett. He describes the Elements of Art and Principles of Design and gives tips and techniques for watercolor painting and for composition.

Illustrated essay on the principle of unity, also known as harmony, explains how the grouping techniques of alignment, proximity, similarity, and continuity can be used to create a unified, harmonious composition.