All Snail Rooms
Primary Residents: Have been known at least a year. Usually consistently active, and very significant to the system.
Secondary Residents: Have been known for at least a year. Not as consistently active as other tiers, but still significant to the system.
Tertiary Residents: Have been known for at least six months. Fronts occasionally.
Regular Visitors: Have been known for more than two months. Fronts occasionally.
Visitors: Have been known for less than two months, and/or just not active very much.
Hibernating: Can't be communicated with at the moment, but there's a chance they'll return later.