Final answer:
The phrase emphasizes the cyclic nature of events and the themes of rebirth and renewal associated with Easter in the story, influencing the narrative's cultural and historical context.
Step-by-step explanation:
The phrase "here is Easter come round again" suggests a cyclic nature of time and events, which impacts the meaning of the story by indicating the recurrence and symbolism of Easter within the narrative. Easter not only marks a religious ceremony but also becomes a touchstone for character development and the evolution of themes such as resurrection, sacrifice, and hope within the cultural and historical context presented in the story. The reference to Easter amplifies the thematic elements related to rebirth and renewal, while connecting to the societal traditions and beliefs.