named physiographic features
preferred label: عوارض جغرافیایی طبیعی معین @fa
type: Concept
narrower: named water features

named seas and oceans
preferred label: دریاها و اقیانوس‌های معین @fa
type: Concept
broader: named water features

named water features
narrower: named seas and oceans
broader: named physiographic features
preferred label: عوارض آبی معین @fa
type: Concept