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.
(..) As you can see, in the wrong hands, the PX- serum could be the most devastating weapon on Earth. Fortunately, it has a very distinct chemical footprint. And using the latest chem-tracking technology, we found traces of it in the Paradise Mall. A mall? (..)2013 Despicable Me 2