OERs, or Open Educational Resources, are freely accessible, openly licensed materials that are useful for teaching, learning, educational, assessment, and research purposes. They are part of a global movement aimed at providing equitable access to education and reducing barriers through the sharing of free educational content. Key characteristics and aspects of OERs include: Variety of Formats: OERs encompass a wide range of formats, including textbooks, course materials, syllabi, lecture notes, assignments, tests, projects, audio, video, software, and any other tools, materials, or techniques used to support access to knowledge. OERs play a crucial role in democratizing education, promoting lifelong learning, and supporting educational initiatives globally. They are particularly relevant in the context of distance education, online learning, and in situations where access to traditional educational resources is limited.