Lose Pages - can only go in Inbox or Holding
Reference material - goes on the computer or in a UniKeep binder
Inbox - gets emptied at end-of-day.
Desktop - contains contents of one coverslip (max)
Current - Capacity = one coverslip
Overflowing trays - get culled (into Cull box) immediately
Holding - review every page daily
WIP - review every page weekly
Cull box - dispose of oldest pages when full