This image shows a box labeled File/non-XML in the upper left corner. To the far right are two boxes labeled Enterprise Manager Console and Service Bus Composer. All three boxes have a connection pointing down to a rectangle labeled Service Bus. The Service Bus has bidirectional arrows pointing down to the Process Order box and the Validate Payment. The Process Order box has bidirectional arrows pointing down to an Orders database. The Validate Payment box has bidirectional arrows pointing down to a database.