An AIP (Archival Information Package) is the digital equivalent of an archival item such as a book, a record album, or a motion picture. It consists of multiple data files that contain the digitised content of the archival item. In addition to the data files, the AIP contains metadata that describes the structure, content, and meaning of the data files. The data files and metadata are packaged (encapsulated) either logically or physically as an entity. AIPs are used to transmit and/or store archival objects within a digital repository system.