footprint (n.)a mark of a foot or shoe on a surface;
the police made casts of the footprints in the soft earth outside the window
Synonyms: footmark /
step footprint (n.)a trace suggesting that something was once present or felt or otherwise important;
the footprints of an earlier civilization
footprint (n.)the area taken up by some object;
the computer had a desktop footprint of 10 by 16 inches