Probably the essence of any design is : how the basic elements in the picture repeat or alternate. In discussing it, you need to consider three terms: rhythm, harmony, and variation.

Culinary arts- a serving of seafood appetizers is arranged on a bed of ice. dipping sauces are in the center with a tiny spoon for dishing them out. what technique did the chef apply to make the arrangements? the chef applied the technique to make the arrangements