footprint

noun

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