This image shows the Source:FulfillOrder.wsdl in the left side, containing the following entries:
inp1:orderInfoVOSDO inp1:OrderId inp1:OrderDate inp1:OrderShippedDate inp1:OrderStatusCode inp1:OrderTotal
The XSLT File:FulfillmentBatch.wsdl in the right side, containing the following entries:
<target> opaque:opaqueElement
It shows items mapped from inp1:orderInfoVOSDO on the Source side to the opaque:opaqueElement on the XSLT File side.