Aphorism is an original laconic phrase conveying some principle or concept of thought while allegory is the representation of abstract principles by characters or figures.
In "Poem," Rukeyser writes in a form of poetry called lyrical form and uses ordinary, everyday language.
The leader of the Gladers, Alby is the oldest and most trusted teenager in the Glade. Despite Alby's merciless enforcement of the strict laws of the Glade, he is a competent leader capable of inspiring loyalty and bravery in the other Gladers.