All languages I know of have four basic directions: left, right, backwards and forwards. Are there any that don’t?
Maybe you could have just three: forwards, backwards-left and backwards-rigth? Or more then four, maybe with distinct names for some or all of the four in-between the common ones
Humans have bilateral symmetry and forward-facing eyes so we naturally have four basic directions.
Up and down is not basic directions?
Birds have the same characteristics
Also the Sun moves in one direction across the sky, along with everything else on the Ecliptic. So that defines one axis, with the perpendicular being another.
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