Source: Schema.org v30.1 vocabulary. Official isPartOf property definition.
What does isPartOf mean?
Indicates an item or CreativeWork that this item, or CreativeWork (in some sense), is part of.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status