Yes, "de jure" more or less translates to "by law", and "de facto" is something like "by practice" or "by convention". So the Open Source Initiative folks have

Yes, "de jure" more or less translates to "by law", and "de facto" is something like "by practice" or "by convention". So the Open Source Initiative folks have no legal basis to enforce use of their definition, but in practice it's so widely used and acknowledged that for all practical purposes it is the definition.