Body relative direction

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.

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