The three main devices (symbols) in the Colt blazon are the colt, fesse and pheon. The three main tinctures (colors) are argent, or and sable .
Argent is the heraldic metal Silver and is usually shown as very pure white. It is also known more poetically as pearl, moon (or luna) 1. In a sketch or drawing it is represented by plain, unmarked paper 2.
The bright yellow colour frequently found in coats of arms is known to heralds as Or, or sometimes simply as Gold.3. Along with, argent, or silver it forms the two “metals” of heraldry – one of the guidelines of heraldic design is that silver objects should not be placed upon gold fields and vice versa 4. The yellow colour is often associated with the Sun, and the zodiacal sign of Leo.5.
Sable, the deep black so often found in Heraldry is believed to named from an animal of the marten family know in the middle ages as a Sabellinœ and noted for its very black fur 6. In engravings, when colors cannot be shown it is represented as closely spaced horizontal and vertical lines, and appropriately is thus the darkest form of hatching, as this method is known 7. Although it may seem a sombre tone, and does indeed sometimes denote grief, it is more commonly said to represent Constancy 8.
In the mediaeval period there was no real percieved difference between real and mythical animals, after all, much of the world remained unknown and who was to say what strange and magical creatures existed in distant lands? Nevertheless, real animals 9 are perhaps one of the most common sights on coats of arms, especially animals of European origin. The horse Is a typical example of these.
The fesse (also found as fess) is one of the major ordinaries to found in heraldry, being a bold, broad, horizontal band across the centre of the shield. It may originally have arisen from the planks of which a wooden shield can be constructed, the centremost plank being painted a different colour 10. It is instantly recognisable as a symbol, for example the arms of COLEVILLE granted during the reign of Hery III are simply or, a fesse gules. With this clear association with the construction of the shield itself, Wade believes that the fesse can be taken to be associated with the military, as a “girdle of honour”.
Given the martial nature of the origins of Heraldry, in the identification of knights and men-at-arms it can come as no surprise that mediaeval weaponry of all types are frequently to be found in a coat of arms 11. The pheon is a specific type of arrow head with barbs and darts and hence quite distinctive in appearance. 12 Like the other symbols related to arrows, Wade suggests the symbolism is that of “readiness for military service”. 13