crossing chang
type: Concept
broader: crossing
preferred label: تغییر تلاقی @fa

overpassing crossing
type: Concept
broader: crossing
preferred label: تلاقی روگذر @fa

underpassing crossing
type: Concept
broader: crossing
preferred label: تلاقی زیرگذر @fa

crossing
type: Concept
broader: knot theory
narrower: overpassing crossing
narrower: underpassing crossing
narrower: crossing chang
preferred label: تلاقی @fa

knot theory
type: Concept
narrower: crossing
preferred label: نظریه گره @fa