...
One major difference is that a series of Sub-steps does not have an “Output,” but instead has a new field in its General Options field titled “Write output in parent scope.” This field substitutes for an Output area and allows the user to specify where to put the output of this call. NEED EXAMPLES FROM TONYdeposit the results in the parent's data object. These results will then be available to all subsequent steps as the Outer Workflow proceeds.
Each Inner Workflow can have, if needed, Sub-steps of is own, creating an Inner-Inner Workflow. There is no limit to how many Workflows deep this can go.
...