It seems most logical that it might be the date that the order was entered into the system (current date) and a sticker printed, it might be the start date of production which could vary significantly from actually entering the order details, it might be the best date someone can think of to order curry sauce. I think they're all equally likely.
Oops, left out ECD, could be the "estimated completion date" to give everyone along the production line an idea of how far behind schedule they are?