Use for all collection level descriptions. Include information about original order if known or any arrangement done by the processor. Legacy description may only reference later accruals.
Examples
Organized into two series: Series 1. Correspondence; Series 2. Photographs.
Original order maintained.
Arranged chronologically.
Material added in 1998 has been kept together and is listed at the end of Series 3.
Material added in 2005 has been kept together and is recorded at the end of the collection list.