Jump to Universality
The tendency of gradually improving systems to undergo a sudden large increase in functionality, becoming universal in some domain. The first Universal System we know of was DNA. All organisms on earth are encoded with the same alphabet of DNA bases, just using different combinations.
Universal Computation
Anything that can be written down as a program can be computed given the right memory and enough time. Explanations are a form of information, and information can only be processed in basically one way—with computation of the kind invented by Babbage and Turing.
Universality
Representation of every possible state. See also: