What metaphors are used in Elsewhere by Gabrielle Zevin?

There is an underlying metaphor of acceptance. At first it seems that Lizzie will never accept her death. As time passes, Lizzie becomes deeply depressed and obsessed with watching her family and friends at the ODs. However, Lizzie soon comes to realize that she is just as responsible for her own death as the man who killed her and this helps her to adjust to her death. However, Lizzie still cannot let go of her past when she realizes that the sweater she bought for her dad's birthday will remain hidden unless she can tell them where to look. Lizzie goes to the Well and is caught, causing her to create trouble for her brother without meeting her goal.