footprint

Short definition from Wiktionary

Noun

1. 1
   The impression of the foot in a soft substance such as sand or snow.
2. 2
   Space required by a piece of equipment.
3. 3
   The amount of hard drive space required for a program.
4. 4
   The audit trail left by a crashed program.
5. 5
   A trace left behind that gives evidence of some action having occurred.
6. 6
   What a person has done before, as a profession or lifestyle, serving as a model for others.
7. 7
   The surface space occupied by a structure.
8. 8
   A company's geographic market presence.
9. 9
   The ecological impact of a human activity, machine, etc.
10. 10
    Availability of a satellite from the ground.
11. 11
    A polygon representing the shape of an item.