Despite the to-and-fro movements of the inhabitants of the salt wastes, no traces of their footsteps marked the surface, blurred within a few minutes by the leaking water.

The piece exists almost entirely as traces of Day-Glo orange paint marking a route through the Snug Harbor grounds in Livingston.

Silvery traces marked the flight paths of hundreds of aircraft.

Certain faint but broad traces of oceanic slime, too faint for merely human eyes to see but reasonably fresh, marked the oceanside cliffs just below the castle's frowning outward face.

A trace of apprehension marked her expression--I cannot call it fear since I have learned to know her--and astonishment was still apparent in her eyes.