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Right and left are also absolute, off/near and star/port are only alternatives. In the dark star/port are not shouted out, they are indicated by coloured lights to those who see aircraft and vessels in the dark so they know which is left and which is right (always relative to the pointy bit). Amongst themselves, anyone can call it the green side and red side if they want - the public know right and left as the "specials" do. Geofbob is absolutely correct - if you relate it to some other non-absolute as with side of road dependent on which side you drive then off/near is not the same on the same car once the car is taken somewhere else. The left of the car, bus, lorry, aircraft or ship is always the left and in any language that holds true. You cannot always rely on people knowing that it is near, port or green side though. Nice to know people feel interested in the question, thanks all.