Visual elements could be any sort of illustration or photographs or diagrams. These can all set the tone of the writing.
Answer:
A part of a culture that is passed from person to person or generation to generation. (havent read the book.) sry, can't answer the rest.
The poem "The Unicorn" is a ballad.
Hope this helped
I think she says that because the morning in the fall have less light and are brilliant than those of the summer , idk