What does tree gap have to do with the wood in tuck everlasting?

In "Tuck Everlasting," the tree gap symbolizes the intersection of life and death, serving as a physical representation of the choices faced by the characters. The wood from the tree represents the natural cycle of life, contrasting with the Tuck family's eternal existence. This juxtaposition highlights themes of mortality and the consequences of immortality, emphasizing the importance of embracing the natural flow of life. The tree gap thus becomes a pivotal location, embodying the tension between the desire for permanence and the acceptance of life's transience.