Which device is “I’m a window” an example of? The narrator sees the reflection of another veteran looking at the memorial. The narrator says, “He’s lost his right arm / inside the stone.” “Inside the stone” is a metaphor for .

“I’m a window” is a metaphor: the narrator directly describes himself as a window, suggesting that the other veteran’s reflection and grief are visible through him. Likewise, “inside the stone” figuratively connects the veteran’s lost arm with the memorial, rather than meaning his arm is literally inside the stone.

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