Source: Schema.org v30.1 vocabulary. Official mentions property definition.
What does mentions mean?
Indicates that the CreativeWork contains a reference to, but is not necessarily about a concept.
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