Shape

 The parachute is the positive space while the dark sky is the negative space.

 This picture shows geometric shape because of the pumpkin and the shapes that make up it's face.

 The plate is the negative space while the dessert is the positive space.

 Even though this is a picture if a group of flowers, it can be non objective it if were to be zoomed in just a little bit more.

 This picture is on High Rock in Smithsburg, MD and the graffiti is biomorphic.

This is a pond that has so many fish that when you feed them they all come to the top to eat the food. This picture is an example of a non objective picture.