The summary report by product presents two main transactional metrics whose accounting reference is the product reference:
- : number of distinct product lines (unique references) in orders.
- : total units sold, all references combined.
An order contains 3 items:
- 2 units of product (same reference)
- 1 unit of product (different reference)
(2 separate references) (3 units in total)
(in “exempted data collection” configuration)
- → They are excluded from both the and columns
- → They are also excluded from the two columns ( and )