Principles of design

 variety: this picture uses variety with all of the colored trash cans. the bright blue color contrasts the drab greys and blacks of the background. it also uses unity with the pattern of 4 blue trashcans next to 4 grey ones.

variety: this picture shows variety through the many colors and subject matters in the picture. the bright and dark colors contrast each other and show a lot of variety. it also shows unity through all of the glass pieces arranging into 1 solid picture.

this picture shows unity and variety through the bright colorful and wild play structure in the back contrasted by the drab unified pool in front with all the blocks next to each other and the perfect alternating flags and stuff.