The main device (symbol) in the Bussard blazon is the covered cups. 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.
Cups of all kinds have been popular charges on coats of arms since at least the 14th century. 5A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Cup In appearance and description they range from simple drinking pots (GERIARE of Lincoln – Argent three drinking pots sable) to covered cups, more like chalices in appearance. 6A Complete Guide to Heraldry, A.C. Fox-Davies, Bonanza (re-print of 1909 Edition), New York, 1978, P288. These were borne by the BUTLER family in reference to their name and Wade suggests that their appearance may also refer to holy communinion within the church. 7The Symbolisms of Heraldry, W. Cecil Wade, George Redway, London, 1898 P117