Booth
CollectiveGroup
Component
Container
ContainerDoor
Decoration
Distant
DSPassage
DSPathPassage
DSStairway
DSTravelConnector
Enterable
Fixture
Flashlight
Food
Heavy
Immovable
KeyedContainer
LockableContainer
MinorItem
Noise
Odor
OpenableContainer
Passage
PathPassage
Platform
ProxyDest
RearContainer
SecretDoor
SensoryEmanation
StairwayDown
StairwayUp
Surface
Switch
Underside
Unthing
Wearable