What is sales by item in the report list?

InvoiceOwl is providing a report where you can find a sales report by item  :

• You can filter the report using the Select Time Frame such as Current Tax Year, Current Quarter, Current Month, All Time and Custom view by clicking on the top label.
• You can change the view by clicking the top right corner icon for the list view to chart view and vice versa.
• You can find Pie Chart according to invoices amount for clients.