This workflow is an alternative GWorkflowDL representation of a structured loop that updates the variable "x" in each iteration and which models the control flow separately from the index "i". Here a version of the graph with manual graph layout: This workflow is equivalent to the following pseudo code: x:=0; for ( i:=0; i<=99; i++) { x:=x+i; } x_result:=x; Please remark that this demonstration workflow does not invoke any external services at all. The c...