footprint

noun

1. 1

   the area taken up by some object

   the computer had a desktop footprint of 10 by 16 inches

2. 2

   a mark of a foot or shoe on a surface

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

3. 3

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

   the footprints of an earlier civilization