Source: Schema.org v30.1 vocabulary. Official subStructure property definition.
What does subStructure mean?
Component (sub-)structure(s) that comprise this anatomical structure.
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