Body relative direction

"Upright" redirects here. For other uses, see Upright (disambiguation).
For other meanings of the most common terms for relative directions, see Left (disambiguation), Right (disambiguation), Up (disambiguation), and Down (disambiguation).
A non-flipped image of a 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)[1] are 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.

  1. ^ Deutscher, Guy (August 26, 2010). "Does Your Language Shape How You Think?". The New York Times. Retrieved August 31, 2010.