As I was looking at materials to review, I came across this diagram:
Before I write more: can you say what is wrong with it? Please add your comment below.
Update Sep 12, 2013: Here is the explanatory text that came with the diagram:
A bank offers the product ‘Telebanking account‘ to its customers. Opening an account as well as application support (i.e., helpdesk and the like), are modeled as business services realized by the ‘Customer relations department‘. As part of the product, the customer can make use of a banking service which offers application services realized by the Telebanking application, such as electronic ‘Money transfer’ and requesting ‘Account status’.