RITUAL AND SYMBOLS The Freemasons rely heavily on the architectural symbolism of the medieval operative masons who actually worked in stone. One of their principal symbols is the square and compasses, tools of the trade, so arranged as to form a quadrilateral. The square is sometimes said to represent matter, and the compasses spirit or mind. Alternatively, the square might be said to represent the world of the concrete, or the measure of objective reality, while the compasses represent abstraction,