light coming into sky above black plane
of ridge, white half moon behind branch
in foreground, sound of wave in channel
system of reference, motion
of co-ordinates which
with respect to position is,
has been, can only be
grey white clouds reflected in channel,
shadowed green slope of ridge above it
Interesting thought in the middle stanza. Our coordinate system, as a system of reference, is, has been, and will be. But, because tectonic plates are in motion, the coordinates at which we stand at any given moment are in motion-- impercetable as that motion may be. If what one is viewing, or is measuring in reference to the viewers location, is on the same plate, then the point(s) of reference are in motion with the viewer. If the things of reference are on a different plate (or not on earth), then they are not in motion with the viewer and are changing position in relation to the viewers position. In terms of coordinates, we are not in the same place from one day to the next, although because tectonic movement is slow, and things around us are moving at a similar rate, we appear to be in the same place.
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