The document's id.
For each query word, its best match's kind times the weight of the field it is in, summed.
Each field the document holds, a text or a list of texts, with the words the query matched marked.
Up to passages sentences or lines of the passage fields that hold a match, in the order of the text, each
clipped around its first match; or, when only another field matched, the opening of the text, unmarked.
A document a search found.