The purpose of archival description is to make accessible the information contained in the collection and maintain control over archival holdings.
Arrangement in Archival Collections
Archives and Memory
Levels of Archival Arrangement—A Primer
To establish context when performing arrangement, archivists start with an understanding of the overall body that produced the records. Archivists keep evidential and information values in mind to create a scheme that protects both. As part of archival collections management, they also think about audiences, as archives usually have more than one.