A Stable Datum is a reference point and an example would be: time is measured at a particular place, it's called Greenwich in England.
It has for years been called Greenwich Mean Time.
It's now entitled Universally Coordinated Time or UTC.
We only have to look at the world around us, to witness the confusion, conflict and deconstruction of many foundations that in the past, have been stable, reference points for us. Read the entire article here: