WOrientation (geometry)WAnatomical terms of locationWAnisotropyWCardinal directionWClock positionWClockwiseWDexter and sinisterWEastWGrid reference systemWEuropean Terrestrial Reference System 1989WGalactic coordinate systemWGalactic quadrantWGeomagnetic poleWGrid reference systemWHand compassWHydrostatic stressWKamal (navigation)WLand navigationWLuopanWMagnetic declinationWMagnetic dipWMarching lineWNauruan navigational systemWNorthWNorth Magnetic PoleWOrientation (vector space)WOrientation of churchesWPath integrationWPelorus (instrument)WPerpendicularWPlumb bobWPoints of the compassWPort and starboardWProper right and proper leftWBody relative directionWRight-hand ruleWRotationWSeptentrionalWBurt's solar compassWSouthWSouth Magnetic PoleWToilet paper orientationWTransverse isotropyWWestWWiddershinsWWindward and leewardWZonal and meridional flow