PERMUTATION
- A way, esp. one of several possible variations, in which a set or number of things can be ordered or arranged
- The action of changing the arrangement, esp. the linear order, of a set of items
- often major or fundamental change as in character or condition based primarily on rearrangement of existent elements also a form or variety resulting from such change.
- the arrangement of a set of things in every possible order [n -S]