The term 'HIGHEST STANDARD' can be broken down into two crossword solutions: GOLD (4 letters) and IDEAL (5 letters). GOLD is a precious metal that has been used as a form of currency for centuries, and is often associated with wealth and luxury. It is also seen as a symbol of excellence and quality. IDEAL, on the other hand, is an adjective that means perfect or representing the best possible example. Together, these two words represent the highest standard of quality and excellence.