The chevron is one the major shapes used upon a shield, known as ordinaries, being in the form of an inverted ‘v’ shape A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Chevron. It is a popular feature, visually very striking and hence developed to have various decorative edges applied to distinguish otherwise identical coats of arms. The decorative edge pattern Wavy, sometimes written as undy is, for obvious reasons, associated with both water and the sea The Symbolisms of Heraldry, W. Cecil Wade, George Redway, London, 1898 P40. Indeed, a roundel with alternating bars of azure and argent (blue and white) is known by the shorthand term fountain, representing water at the bottom of a well A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Water. Other colours have also been used and the result can be very pleasing to the eye.