footprint

英['fʊtprɪnt] 美['fʊtprɪnt]

1. 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. a trace suggesting that something was once present or felt or otherwise important;

"the footprints of an earlier civilization"

3. the area taken up by some object;

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