{# Progress node May contain "extra" data name name of the track that has progress is marked on rank rank of the track, e.g. "dangerous", "epic" steps number of times progress is marked on the track from previous progress amount as tuple (boxes, ticks) to new progress amount as tuple (boxes, ticks) from_ticks previous progress value in number of ticks to_ticks new progress value in number of ticks ticks total amount of progress in ticks #}