For easy recognition of the items on a coat of arms, and hence the quick identification of the owner, bold simple shapes are best. Hence, simple geometric shapes are often used for this purpose A Complete Guide to Heraldry, A.C. Fox-Davies, Bonanza (re-print of 1909 Edition), New York, 1978, P146xz`, and the lozenge Is a typical example of this, and can appear in any of the main heraldic tinctures. It can appear on its own, voided (with the background visible through the middle), and can also be conjoined, whereby adjacent lozenges touch point-to-point. A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Lozenge Guillim groups the lozenge with all square shapes as being symbolic of “verity, probity, constancy and equity”. A Display of Heraldry, J. Guillim, Blome, London, 1679, P262