Library instruction, also called bibliographic instruction, user education and library orientation, consists of "instructional programs designed to teach library users how to locate the information they need quickly and effectively. [It] usually covers the library's system of organizing materials, the structure of the literature of the field, research methodologies appropriate to the academic discipline, and specific resources and finding tools (library catalog, indexes and abstracting services, bibliographic databases, etc.)" It prepares individuals to make immediate and lifelong use of information effectively by teaching the concepts and logic of information access and evaluation, and by fostering information independence and critical thinking. Above all they are aimed at equipping library users with skills to locate library sources and use them effectively to satisfy their information needs.