Why would starting a story with “secondly” affect different communities? From The danger of a single story Chimamanda Ngozi Adichie·TEDGlobal 2009

- "is not only a luminous passive watcher in the night sky, but it is a powerful force.

it does symbolizes love,   lust   and dreaming and is seen as a power symbolic force that determines and affects human behaviors and reactions.

in the context of the question it does remain you that he events are only taking place at night and the reader of the passage of time."

my best guess would be: d allusion

makes the most sense