The End of the World, the Bright Moon, and the Blade, the title of Gu Long's martial arts novel. What's the use of the interval number in the title?

" The End of the World, the Bright Moon, and the Blade " was a space symbol in the title of a wuxia novel created by Gu Long. It was often used in wuxia novels to indicate the separation between different stories or plots or to emphasize the importance of these stories. For example, in " The End of the World, the Bright Moon, and the Knife ", the background of the story was a place called " The End of the World ", and the " Bright Moon " was the guardian deity of this place, while the " Knife " was a mysterious weapon. This kind of interval allowed the readers to better understand the plot and the relationship between the characters, while also enhancing the narrative effect of the novel.