covering
type: Concept
narrower: covering group
preferred label: پوشش @fa

covering group
type: Concept
broader: covering
broader: group
preferred label: گروه پوششی @fa
related: circle covering

group
type: Concept
narrower: covering group
preferred label: گروه @fa

circle covering
type: Concept
preferred label: دایره پوش @fa
related: covering group