Which idea does the author present by including the anecdote in paragraph 21 about ms. Schwermer’s television appearance?

conversing outside - a.

  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.

"rodney quicklt turned away and darted into a crowed of student" i thinks thats it but idk

according to the graph, a cashiers