digital recordings
type: Concept
narrower: DVD
narrower: compact discs
narrower: Blu-ray discs
broader: recording
broader: digital media

DVD
type: Concept
broader: digital recordings

compact discs
type: Concept
broader: digital recordings

Blu-ray discs
type: Concept
broader: digital recordings

recording
type: Concept
narrower: digital recordings

digital media
type: Concept
narrower: digital recordings

concepts
type: Collection
type: ConceptGroup
member: digital recordings