Editing Body relative direction (section)

{{Short description|Relative geometrical orientations}}
{{Redirect|Upright}}
{{For|other meanings of the most common terms for relative directions|Left (disambiguation)|Right (disambiguation)|Up (disambiguation)|Down (disambiguation)}}
{{More citations needed|date=May 2011}}
[[File:XYZ model.jpg|thumb|250px|A non-[[flipped image]] of a [[right-hand rule|right-handed]] [[Cartesian coordinate system]], illustrating the ''x'' (right-left), ''y'' (forward-backward) and ''z'' (up-down) axes relative to a human being.]]

'''Body relative directions''' (also known as '''egocentric coordinates''')<ref name="nytimes">{{Cite news |author= Deutscher, Guy |title= Does Your Language Shape How You Think? |url= https://www.nytimes.com/2010/08/29/magazine/29language-t.html |work= [[The New York Times]] |date= August 26, 2010 |access-date= August 31, 2010|author-link= Guy Deutscher (linguist) }}</ref> are [[orientation (geometry)|geometrical orientations]] relative to a body such as a [[human]] person's body or a road sign.
The most common ones are: '''left''' and '''right'''; '''forward''' and '''backward'''; '''up''' and '''down'''.
They form three pairs of [[orthogonal]] axes.