Chorus (1, 2, and 3 - but expandable)
Rules of Chorus: They exist in three dimensions.
NARRATION: exists outside the world of Hannie, Truus, and Freddie. Tone is contemporary, "vibe-y".
WORLD-BUILDING: when 123 are simply creating or building the world of HTF.
and CHARACTERS: exist inside the the world of Hannie, Truus, and Freddie. 1940's in the Netherlands.