Labels:text | screenshot | diagram | font OCR: Figure 2. Modules Accounting for Source Code Graphical User Interface Form 1 Form 2 Form n Business Service Service 1. Service 2. Service n Plumbing Request. Client Stub Middleware Server Stub Pluenbing Router 1 Router n Business Service Service I Service 2 Service n Application/ System Interface Program 1 Program 2 Program n