name three effects that kafka's word choices have on the story as a whole

When Gregor, the protagonist in Franz Kafka’s The Metamorphosis, transforms into a giant insect, his relationship with his family hits a low. However, in chapter 2, his relationship with his sister, Grete, evolves as she becomes his sole caregiver. This means that only his sister can understand what situation Gregor has undergone. The theme of the story is the closeness between family members.