All positions in the plane or space are then located in reference to the origin in terms of "5 distance units in direction of the positive half of the X axis" and "10 distance units in direction of the negative half of the Y axis" for a twodimensional system, adding the part for the "Z" axis (for instance "12 distance units in direction of the negative side") in case of a three dimensional system. All this can be written in short as (5,10,12), which is the position of the point in reference to the origin, also known as the coordinates of the point. The coordinates of the origin are always (0,0) or (0,0,0), depending on the type of system.
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