Possible Clues:

• Cycling coach on unknown -- there might be some work to do here
• Where papers may accumulate on a desk
• Paper-collector on one's desk
• Aboard carrier, there's work to be done
• Desk point for recently arrived post
• Work site?
• Place for matters to be dealt with
• Cheerless wife leaves to tackle a holder of correspondence?
• Drop-off place on a desk
• Where office work accumulates