1. Violet verging on ultraviolet. You can't quite see it or contain it, it brings out other colors and reveals secrets.
2. Pre-adolescent human. Old enough to communicate and question, young enough to still be freely curious beast, not old enough to be a fanatic. All creation, curiosity, future and little prejudice.
3. The undisturbed flowing kind. Water out of a hose before it breaks up into drops, the curve of the top of a waterfall before it breaks, vortices flowing down a drain. Because "Eddie's in the Spacetime Continuum."
I know, not exactly in format. Close enough?