Summary field
Also written: rating summary
A stored total kept on a document so pages needn't recompute it, like a product's `rating: { count, total }`. It must be kept in sync, ideally in a transaction.
Also written: rating summary
A stored total kept on a document so pages needn't recompute it, like a product's `rating: { count, total }`. It must be kept in sync, ideally in a transaction.