A repository is a container used to store things for the purpose of collection, preservation, or dissemination; may be a physical space for depositing material objects, or a digital location for storing data and open files (see Campbell in SDUK09). Repositories and their collecting scopes and practices differ according to their sites, publics, and mandates, for instance, serving various objectives such as circulating under-represented histories (see Afful, Peterson and Gerber), managing nuclear waste (see Hird in SDUK02), or conjuring alternative Black futures (see Okunseinde.