Amount and Primary Amount fields in Order / OrderProduct tables
What is the difference between Amount and Primary Amount fields in the following tables:
There are some other fields with primary counterparts like (Total, TaxAmount) in OrderProduct and InvoiceProduct tables. I have seen the orders section documentation on Academy but only the "Amount" field is documented. Similarly, what is the rationale of having Quantity and BaseQuantity fields in OrderProduct table?
In addition, is there any Use Case where these fields have a different value. Like Amount and Primary Amount fields with a different value.