My gut tells me these statistics are heavily gamified. Is it daily active users for the app the shoppers use? Is this all shoppers who signed-up AND made delive

My gut tells me these statistics are heavily gamified. Is it daily active users for the app the shoppers use? Is this all shoppers who signed-up AND made deliveries this month? Is this inactive shoppers from 5 months ago? What about shoppers who sign up and never actually accept a bid?