Great Idea for a memory garden. Sunlight shines through laser-cut phrases at the Moving Memories Memorial in Phoenix. The phrases are meant to reflect a range of thoughts from Arizonans affected by and were picked after months of research.
Box symbol: The houses that the mom lives in are just boxes to her, mother and son are each in their own box separated from each other, the emotions are boxed inside of them (until the end of the story when the mother is finally leaving).
German ring in the form of an armillary (the rings and hoops represent the equator, the tropics, and other celestial circles, able to revolve on its axis) adorned with zodiacal signs, stars and other figures.