roupings of archival documents comprising a fonds, as delineated during the process of archival arrangem
ent. An archival unit can be a fonds, series, file, item or variation thereof, depending on institutional standards. 
A unit may be divided into sub-units for the purposes of archival description. The smallest (and therefore indivisible) archival unit is the item. [Archives] 
n., Any of the groupings of archival documents comprising a fonds, as delineated during the process of archival
arrangement. An ar