From Longman Dictionary of Contemporary Englishfootprintfoot‧print /ˈfʊtˌprɪnt/ noun [countable] 1 
MARK (also footmark) a mark made by a foot or shoe We followed the footprints of a deer in the snow.► see thesaurus at effect2 technical the amount of space on a desk that a computer uses PCs with a 50% smaller footprint than other models3 the effect that a person’s or organization’s activities have on the environment Answer these questions to calculate your business’s environmental footprint.
MARK (also footmark) a mark made by a foot or shoe We followed the footprints of a deer in the snow.► see thesaurus at effect2 technical the amount of space on a desk that a computer uses PCs with a 50% smaller footprint than other models3 the effect that a person’s or organization’s activities have on the environment Answer these questions to calculate your business’s environmental footprint.Examples from the Corpus
footprint• The smooth surface makes it easier for agents to detect footprints in the road.• Agents drag tires to detect footprints in sand or dirt roads.• She pulled through the clutching shrubbery and skimmed back up the steps, realizing she was leaving footprints of damp earth.• Mine are not the only footprints on the road I am taking: There are others, but they are not Birkenstocks.• I looked everywhere, but there was nobody, and no other footprint.• For I was not the first to have stood in Balboa's footprints.• a deer's footprints in the snow• The footprints in the yard were too big to be a dog's.• He ran into the hallway, leaving wet footprints behind him.• They left two trails of wet footprints.From Longman Business Dictionaryfootprintfoot‧print /ˈfʊtˌprɪnt/ noun [countable]COMPUTING the space on the surface of a desk that is filled by a computerThese PCs have a 50% smaller footprint than previous models. 