text:  You may distinguish these terms at your pleasure by sundry denominations: for example you may call them Elements of the notion--a fairy--or circumscriptive Lines of such a notion or indispensable Fairy-marks or elfin Criteria or by any other name which you may happen to like as well or better; but when found call them as you will they must reveal in essence the thing which we look for--the answer to the question with which we first started and to which we have as yet found no satisfactory solution