taxis
type: Concept
broader: passenger road vehicles

motor vehicles
type: Concept
narrower: passenger road vehicles

buses
type: Concept
broader: passenger road vehicles

passenger road vehicles
narrower: taxis
narrower: private cars
narrower: buses
broader: motor vehicles
type: Concept

concepts
type: Collection
type: ConceptGroup
member: passenger road vehicles

private cars
type: Concept
broader: passenger road vehicles