Create_lots_of_strings gives implicit iteration over the service add_a_and_b - assume this is a service that returns two values which you now want to keep in a list [a,b]. The shim Create_list takes two single inputs, and returns a list of [in1, in2]. Configured with the Dot product list strategy it means that it will pipeline out [a1,b1], [a2,b2], [a3,b3] etc.Create_lots_of_strings gives implicit iteration over the service add_a_and_b - assume this is a service that returns two values which...