When processing a primary item using an ad hoc task or system work, the option breaks all processing for the current item.
When processing a primary item using timer work, this option breaks all timer work for all items (timer execution completely stops).
When processing a related item using an ad hoc task or system work, the option breaks all processing for the current related item and the current top-level item.
When processing a related item using timer work, the option breaks all timer work for all items (timer execution stops).