http://schema.org/itemReviewed
http://schema.org/review

What's the relationship, if any?

http://schema.org/itemReviewed
Values expected to be one of these types: Thing
Used on these types: AggregateRating, Review

http://schema.org/review
Values expected to be one of these types: Review
Used on these types: CreativeWork, Offer, Organization, Place, Product

See also

• 'review' and 'aggregateRating' omit Event, Brand, Service #193 review' and 'aggregateRating' omit Event
• Clarify Rating e.g. itemReviewed should be applicable to Rating; make Rating a CreativeWork? #206 Clarify Rating e.g. itemReviewed should be applicable to Rating; make Rating a CreativeWork?