The sentence that highlights the use of coherence and unity is "Clara created a building design that has rhythm, two themes, contrast, and balance."
In design, coherence implies all elements included are logical or work together, which means there is a balance in the elements.
On the other hand, unity implies the elements work as a "whole" despite being different.
Clara's sentence illustrate these principles because even when she included different elements all of them seem to have a logical order and they word together to create a unit.
Learn more about coherence in: https://brainly.com/question/17228312