OAIS (Open Archival Information System) is a framework for the long-term preservation and sustainability of digital content. There are several synonyms for this term, including digital preservation system or archive, preservation repository, and digital curation platform. Other terms that can be considered synonymous with OAIS include digital asset management system and recordkeeping system. These synonyms all relate to the management and preservation of digital content over time. Whether through the extraction, transformation, and loading of data or the management of metadata, the aim of these systems is to ensure that digital information remains accessible, usable, and understandable for future generations.