Your archive can be comprised of many individual collections. There is usually a General Collection category, and then a series of special collection entries (as needed).
Here is the related form:
Collection Name - a maximum of 40 character - Required - Name of this collection of objects
Originally Established - enter a valid date - Required - Date the collection established
Source Text - a maximum of 40 characters - the Source of the Collection
Source Category - use the look-up button to the left of the entry box to select a Source Category from the supporting information table.
Notes - a maximum of 2,000 characters to describe this collection