If Ms. Hernandez for many years at an ad agency, she wouldn't have so many clients as an independent contractor

Worked

Explanation:

  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.

you need to write a question based on a prompt. you have not given the prompt, and therefore this question cannot be answered on unless you provide it.