The matched entity, hydrated from the index's projected attributes.
The raw score returned by DynamoDB. Its interpretation depends on the index's distance function (EX: for COSINE it is a distance in [0, 2], lower is more similar).
Similarity of the entity to the query, converted from the raw score by the index model's distance function (higher is more similar).
A single vector search result: the complete typed entity instance with the search's similarity measures.