The temperature difference between air and the ground six feet under comes to my mind.
The dialogue between figure and ground has very much to do with place.
This changes the energy difference between the ground and first excited states.
This began an association between the club and the ground which has survived until the present day.
He was about midway between the ground two hundred feet below him and the window.
It is most commonly used between the power supply and ground.
Two canvases in particular show how he played with the relationship between ground and figure.
What will kill you is the difference in voltage between the car and the ground.
Between the ground and first floors is a stone band.
Several glass pavilions are set between the ground and the building above.