The main device (symbol) in the Keymer blazon is the wolf. The two main tinctures (colors) are azure and argent.
The bright, strong blue color in Heraldry is known in English as azure, and similarly in other European languages – azul in Spanish, azurro in Italian and azur in French. The word has its roots in the Arabic word lazura, also the source of the name of the precious stone lapis lazuli 1A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Azure. Despite this, those heralds who liked to associate colours with jewels chose instead to describe blue as Sapphire. According to Wade, the use of this colour symbolises “Loyalty and Truth” 2The Symbolisms of Heraldry, W. Cecil Wade, George Redway, London, 1898 P36.
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) 3Understanding Signs & Symbols – Heraldry, S. Oliver & G. Croton, Quantum, London, 2013, P53. In a sketch or drawing it is represented by plain, unmarked paper 4A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1847, P11.
The wolf was the symbol of Rome long before the advent of heraldry, and before that was sacred to the ancient Egyptians. 5The Symbolisms of Heraldry, W. Cecil Wade, George Redway, London, 1898 P31 In heraldry it is probably more often just as head than the whole animal, but when whole it can be in many different poses. 6A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Wolf It is found from the earliest instances of arms, but quite often due to a derivative of its French name, loup sharing the initial sound of many family names like LOWE and LOVATT.