This is the "till tape" for a days transactions.
Each item has an interval - the number of days it took to sell. The interval numbers are colour coded
Daily sales has a powerfull right click menu
show and/or print receipt
show customer details
refund and return to stock
At the end of the day you run down the list of sales and reorder the fast sellers. This adds the item to an existing order for that supplier ( if there is one ) or creates a new one.