The distinguishing feature of a book musical as discussed with the advent of the golden age of Broadway and the musical Oklahoma is blank

In art, what does the term, “form” mean? a. the pleasing arrangement of parts or objects, along with the characteristics shared between the objects. b. any three dimensional geometric shape. it can also refer to the visible elements of a piece. c. the sense of balance achieved by placing objects or forms that are different on either side of a central line. d. the relationship, either of time or space between recurring elements of a composition.