An Index Catalog is a systematic collection of records that helps organize and locate information within a library or database. It typically includes details about books, articles, and other resources, allowing users to search for materials by title, author, or subject. This tool is essential for efficient research and information retrieval. In the context of libraries, the Index Catalog can be both physical and digital. Physical catalogs may consist of card systems, while digital versions are often integrated into library management systems. Both formats aim to enhance user experience by making it easier to find relevant resources quickly.