The poet organizes the poem into stanzas that have four lines. Explain why the poet structure the poem in this way by comparing the content presented in the four-line stanzas. Support your answer with at least two details from the poem.

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.