On the Products section in the Reports tab you can see which products in your menu are doing well and which ones are not.
If you manage multiple businesses you can choose what data you want to display on the top-left menu (1). You can also set a specific time period (2), you can also export your data from both the chart and the table (3), the export is generated in .xls format for Excel. The charts on the Products section work like the charts in most other sections in the Reports tab, and you can learn how to work with them on this article.
In the table you can see the total number of items sold, gross takings, margin and product costs. On the chart you can use the checkboxes (4) to display only the items you want to see or compare. You can also view only products from a specific category (5).