Idiom is a celebration of wine and words. Idiom wines is based in the heart of the Helderberg range. This southernmost part of the Stellenbosch wine region provides the backdrop and the perfect climatic conditions for the incredible range of wines. A celebration of terroir, unusual varietals and masterful blends, Idiom is so-called because it is home to the Cape expression of so many European classics. The Cape Idiom, if you will.