How can we appraise a proposal if the terms hurled at our ears can mean anything or nothing, and change their significance with the inflection of the voice? Welfare state, national socialism, radical, liberal, conservative, reactionary and a regiment of others ... these terms in today's usage, are generally compounds of confusion and prejudice. If our attitudes are muddled, our language is often to blame. A good tonic for clearer thinking is a dose of precise, legal definition.