+A **trace** is a faint mark or sign, an almost imperceptible remnant of something that has passed. It serves as a subtle clue, revealing a [Past](/wiki/Past) event or an underlying [Process](/wiki/Process).
+## See also
+- [Remnant](/wiki/Remnant)
+- [Footprint](/wiki/Footprint)
+- [Echo](/wiki/Echo)
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