What does footprint mean in cooking?

footprint means: A measure of the square footage of a shop used by an equipment unit or display unit. (in Cooking Dictionary)

What else does footprint mean?

• A footprint or outline left by a foot upon a surface. (in Merlin Dictionary)
• Surface space that is occupied by structures or devices. (in Merlin Dictionary)
• How an activity or person has an impact on the environment. (in Merlin Dictionary)
• A device, phenomenon or other means that affects or covers an area. (in Merlin Dictionary)