Answer:
Wow!! For one, they are astounding and you must really put the time into this stuff. Keep up the work.
Explanation:
Answer: Positive and Negative space.
Explanation: Positive space is the area used and filled in, directly where the object of the painting is. Example: in the painting "Mona Lisa" the positive space would be Mona Lisa herself.
Negative space is the space that stays empty around the object. Example: the background of the scenery in a painting.