colour centre
preferred label: مرکز رنگ @fa
type: Concept
narrower: V-centre

V-centre
alternative label: Vk-centre
scope note: Vk-centre
narrower: H-centre
broader: colour centre
preferred label: مرکز وی @fa
type: Concept

H-centre
preferred label: مرکز اچ @fa
type: Concept
broader: V-centre