Comes a stranger from the storm
Enter Boss Gotta

In which Vertu’s cab reaches the scene of the accident.

From context, Boss Gotta (“Boss Gotta, a metaphor”, according to the dramatis personae) is a Surebleak version of the philosophy Vertu embraced in “Skyblaze”: if you find yourself saying “somebody’s gotta do something about this”, and there’s nobody around with a clear claim to the problem, that means you’re somebody.

This time, when Anna speaks soothingly to her dog in the language that slips by Vertu’s ears, the narration does report one of the words she uses, which we know the meaning of though Vertu doesn’t.