"footprints" in the noun sense
1. footprint, footmark, step
a mark of a foot or shoe on a surface
"the police made casts of the footprints in the soft earth outside the window"
2. footprint
a trace suggesting that something was once present or felt or otherwise important
"the footprints of an earlier civilization"
3. footprint
the area taken up by some object
"the computer had a desktop footprint of 10 by 16 inches"
Source: WordNet® (An amazing lexical database of English)
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