Poetry and Rhymes

When Carl Sandburg says "the fog comes on little cat feet", what poetic device is it?

More Questions from Poetry and Rhymes
In the "Aesop's Fable", who did the Fox trick into dropping a piece of meat?
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In "The Farmer and the Dell", what does the rat take?
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Which poet penned a collection of poetry as a different perspective of Grimm's Fairy Tales entitled Transformations?
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What famous poet from the 1800's was expelled from West Point at age twenty-one?
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Where did "Old Mother Hubbard" look for a bone?
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What Italian poet wrote "The Divine Comedy"?
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Red sky at night, shepherd's delight, red sky at morning ...?
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Who wrote "Million Man March Poem"?
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