Final answer:
Tobe walks out the back door and disappears, symbolizing his release from service and the finality of Emily's death.
Step-by-step explanation:
After Emily's death in the story, Tobe, her servant, walks out the back door of the house and disappears, never to return. This moment symbolizes the finality of Emily's passing and the release of Tobe from the confines of his long service to her. The narrative is examining themes of loyalty, freedom, and the significance of change following the death of a significant figure. The exit of Tobe is portrayed as a quiet, final departure, one that speaks to the inevitable dissolution of old ways and the onset of new beginnings.