Definition
A "call number," also known as a "call mark," is a unique identifier assigned to a book or other item in a library 📚. It's like an address for the book, telling you exactly where to find it on the shelves. Think of it as the library's version of GPS coordinates. It usually consists of letters and numbers, arranged according to a specific classification system. It helps organize the collection and makes it easy for patrons to locate materials. Without call numbers, libraries would be chaotic and impossible to navigate! Finding anything would be a total nightmare.