U
universal truth
re TAP, universal truth is a truth type that could apply across the whole universe -
assuming that other worlds with other intelligent lifeforms also exist in the universe
UX
User eXperience
re TAPable, UX is that experience a real human being user has
by both software design and
real-time decision-making in the software
TAPable is software that allows,
by preference specification a more pleasurable UX that results in happier users