Call number: found on the label on a book or other library material, it helps libraries to keep material arranged and organized so that readers can find what they're looking for easily.
Catalog: a computerized index which describes, organizes, and helps users to find the books, DVDs, e-books, etc., that are owned by a library.
Database: an electronic collection of articles from many journals, magazines, and newspapers, collected by companies who sell subscriptions to libraries. This gives libraries the ability to get articles from many different titles, without having to purchase them separately.
ILLiad: a service which allows libraries to borrow items from other libraries for their users.
Research: a method of finding information, or the information itself.
Scholarly journal: a journal written and edited by experts about a certain subject. Scholarly articles are judged very carefully for their content and for their value as research.
Trade journal: a journal or magazine published for people or companies in a specific industry or trade.
WORLDCat: a service which searches for items in other libraries; it works well with ILLiad, allowing libraries to borrow items they don't own from other libraries, at the request of users.