Net Revenue: The Net Revenue is calculated by taking the gross sales and subtracting the refunds for the selected time frame.
Average Order Value: The Average Order Value is calculated by taking the gross sales and dividing it by the number of orders for the selected time frame.
Units: The Units report is calculated by looking at the number of units sold for the selected time frame. This report does not consider refunds. Additionally, selecting "relationship" in the breakdown menu allows you to view products sold via cross-sell, direct sale, or upsell.
Refunds: The Refunds report reflects orders that have been returned by or refunded to customers.