Final answer:
The door in the first chapter of 'Story of the door' is significant as a recurring motif that symbolizes various themes and relationships in the novel.
Step-by-step explanation:
The door in the first chapter of the novel 'Story of the door' is significant as it serves as a motif that recurs throughout the story. In literature, a door can symbolize various things such as opportunities, transitions, secrets, or barriers between different worlds. As the story progresses, the door is likely to become important in highlighting these themes and exploring the relationships between characters.