Relative directions can be useful to people who are unfamiliar with the location of cardinal directions east west south and north.
Example of relative direction. If the player moves then 0 2 0 is no longer at the same block as before the player moved. In medicine and science where precise definitions are crucial relative directions left right are the sides of the organism not the those of the observer. Using this convention a vector with a direction of 30 degrees is a vector that has been rotated 30 degrees in a counterclockwise direction relative to due east.
Directions such as leftright forwardbackward and updown are relative to an objects current orientation. Translation memories are created by human but computer. A person providing relative directions will use commons terms such as left right forward backward up and down.
Information and translations of relative direction in the most comprehensive dictionary definitions resource on the web. Nature loosely speaking behaves the same no matter what direction one moves. As demonstrated by the Michelson-Morley null result there is no absolute.
See the GPS Learning Activity Working with Angles. What is relative direction on a map. Meaning of relative direction.
The most common relative directions are left right forwards backwards up and down. They may further explain that the park is on the other side of the pond. The direction of a vector is often expressed as a counterclockwise angle of rotation of the vector about its tail from due East.
Keep this in mind when using relative. Example sentences with relative direction translation memory. Directions like northsouth and eastwest are examples of absolute direction.