I can’t answer this question because you need evidence, so you should go read your article
<span>(a) stability of elements on either side of an imaginary vertical line
(b) recognizable arrangement of elements based of their proportions
(c) systematic arrangement of elements based on their size.</span><span />
It showed the shape of melody
Mary Maloney takes the leg of lamb out of the freezer and the narrator notes, she was like a baseball player hitting a home run. This foreshadows that she might swing this leg of lamb, at her husband!