1. [ noun ] a mark of a foot or shoe on a surface; a clue that someone was present
Synonyms: step footmark

"the police made casts of the footprints in the soft earth outside the window"

Related terms: mark clue footprint_evidence step
2. [ noun ] a trace suggesting that something was once present or felt or otherwise important

"the footprints of an earlier civilization"

Related terms: trace
3. [ noun ] the area taken up by some object

"the computer had a desktop footprint of 10 by 16 inches"

Related terms: area