You can expand the row that represents a single item type and see all the items of that type placed in the model and planned in dRofus. The items can either be linked/matched or unmatched. If the items are linked/matched, both model instances and occurrences planned in dRofus are shown together in one line. That means that these items can be synchronized and a quantity mismatch can be fixed either by changing the number of designed items or by adjusting the planned quantity in dRofus.
Some instances can be matched to an occurrence even though they are not linked to it explicitly. Instances and occurrences are matched automatically when there is no doubt which is which. There is no need to link them explicitly in that case in order to synchronize data or adjust quantity.
If instances are not shown together with the occurrences, you can link them by pressing the "Link" button of the instance row and then selecting the occurrence that you would like to link to.
It is possible to ungroup linked/matched instances by pressing "Split" or "Unlink" button of the grouped row. It can be useful if you decide to link the item occurrence to a different occurrence or to regroup them. Pressing the "Split" button would only take instances marked as "(not linked)" out of the group, while the "Unlink" button means that even the linked instances would be taken out of the group and unlinked.
