Element of art
Space refers to the distances or areas around, between and within things.
In this picture below the negative space is in the field of wheat before the farm.
The kid is in the foreground and the lake or ocean is in the background.
The lovely couple is in the foreground, and they are looking out in the distance thinking about their future together =, which is in the background.
Oscar-Claude Monet was a founder of French Impressionist painting, and the most consistent and prolific practitioner of the movement's philosophy of expressing one's perceptions before nature, especially as applied to plein-air landscape painting.