This document discusses definitions of libraries and librarians. It provides definitions from sources like Merriam-Webster describing a library as a collection of books and materials organized for use and a librarian as a professionally trained person responsible for the care of a library. The document notes there is debate around defining librarians, with some definitions reserving the title for those with an MLS degree while others see greater variance in how the role is applied from administrators to professionals. Other sources attempt to further illustrate the roles and responsibilities of librarians.