The field does not appear in the entry screen but a default value is assigned to it.
Displayed:
The default value is assigned to the field and displayed. It cannot be modified.Entered:
The default value is assigned to the field and displayed. It can be modified and in this case the site must be chosen from the list of sites with which the user normally works. If the product is managed in stock, this site chosen must be declared as a warehouse in the site table.The shipping site is only significant for the inter-company orders.