Symmetry (sim-i-tree) noun, plural triesBeauty based on characteristics of excellence of proportion, balance and harmony. Introducing Symmetry by Klaussner Essentials. Beauty based on characteristics of excellence of proportion, balance and harmony. This transitional Symmetry Slat Bed in Walnut defines balance and harmony. With unique contrasting walnut banding, and center cut-out designed head and footboards, the bed combines design details and veneer patterns to create a home furnishings collection that truly adds up to perfection.