As you may have noticed, above you will find words for "Relative to an observer; that is, relative to a point on the surface of the Earth; said of a frame of reference, of a coordinate system, or the like, or of motion or position within such.". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.