Story workshop · Sample story, not a shipped product.
In this story, nothing earlier sets up the signal the couriers answer. The broken red thread points back to where that set-up belongs. The workshop asks the author:
“How will the couriers recognise Ivo's signal?”
An exploratory product design for authors: the story is the workspace. Scenes sit on a canvas the author moves through, and the next problem in the story appears where it happens.