This document discusses information services and reference services provided by libraries. It defines information services as any service intended to provide information for a user or assist a user in finding information. It describes how libraries traditionally provide reference services, which aim to meet users' information needs by answering questions, instructing users, and directing them to resources. The importance of the reference interview is discussed, which involves determining the real question through discussion between the librarian and patron. Different types of reference interviews and questions are outlined. The document also discusses challenges like miscommunications that can occur in reference interviews and how to properly structure an interview.