The three basic butters would be "doux" (unsalted), "demi-sel" and "salé" although the latter does seem to be harder to find in your run-of-the-mill markets and

The three basic butters would be "doux" (unsalted), "demi-sel" and "salé" although the latter does seem to be harder to find in your run-of-the-mill markets and epiceries outside of Brittany.