Reference material refers to a resource used to support research, learning, or decision-making by providing authoritative information on a specific subject. It can include textbooks, encyclopedias, dictionaries, manuals, scientific journals, or online databases. These materials are often relied upon for their accuracy, credibility, and thoroughness. Reference materials are commonly used in academic, professional, and technical settings to verify facts, clarify concepts, and enhance understanding. They serve as reliable sources for information and are typically cited in scholarly work to ensure the validity of claims and findings. In essence, reference materials are essential tools for informed decision-making and knowledge development.