THIS MIGHT SURPRISE YOU
The answer
Sitz im Leben, "setting in life." Form criticism first names the kind of writing a piece is, such as a hymn, a lament or a law. Then it asks where people used it.
Why it’s interesting
Psalm 118:19-20 is a good example. A call to open the gates is followed by "This is the gate of the Lord," and the passage reads like a procession entering the Temple, with someone at the gate, perhaps a priest, answering.
Scholarly consensus
Learn the Bible.
Not just the stories, but the history, authorship, and scholarship behind it.