The speaker begins by describing a quiet kind of confinement. She has wings, but she lives in a cage, and the people who keep her there don't want her to fly high. They shut the gates so they only see the version of the world they have chosen to run, never the "billions" of parts of her that stay hidden behind closed doors.
Then the tone shifts. The speaker says the cage is "screwed," meaning the system is flawed and starting to fail. She pictures herself as a quail trapped in a pigeon's coop: she doesn't belong there and can't stay small. Awakening becomes the turning point, and "I" becomes "we."
By the end, the doors and ceilings are gone and she flies high. The final line, "Ladies, / We are many," lands like a rallying cry. The mood moves from frustration and restraint to confidence, solidarity, and defiant hope, and the poem seems to speak to women who have been held back.