Left and right (n.) cannot be made intelligible through any concept, only by pointing to intuition — as with oppositely spiralled snails.
5 definitions
Left and right (n.) are known directly and instinctively, never through concepts — no definition will explain why the left glove refuses the right hand.
Left and right (n.) are obsolete divisions; the yardstick for judging events in our time is whether they serve totalitarian domination or not.
Left and right (n.) are not feelings a subject has about its two sides but directions of our directedness into a world already there; by mere feeling I could never find my way.
Left and right (n.) are told apart by a feeling, not a sight: the two hands look no different, yet without that felt difference no map of the sky would help you.