He walked into the kitchen with his boots on, making/leaving muddy 'footprints' on the floor.
The new model has a smaller 'footprint' than the older model.
The child left her tiny 'footprints' in the snow.
(..) the taiga. The needle-shaped leaves of the conifers are virtually inedible so this forest supports very little animal life. It's a silent place where the snow is unmarked by footprints. In the Arctic winter snow forms a continuous blanket across the land. But as spring creeps up from the south (..)2006 TvShow: Planet Earth Title: From Pole to Pole Season: 1 Episode 1