Reference materials are resources that provide factual information and support research or learning. They include items like dictionaries, encyclopedias, atlases, and almanacs. These materials are often used to verify facts, find definitions, or gather background information on a specific topic. In addition to traditional print sources, digital reference materials are widely available online. Websites like Wikipedia and Britannica offer easy access to a vast array of information. Libraries also provide access to databases and e-books, making it easier for individuals to find reliable information for academic or personal use.