Inactive lets you hide Customer or Items that you no longer use. Searches let you find them again, when you need. And adding the Inactive column lets you click to change.
Add(+) and choose Inactive to show a checkbox and include Inactives in your search. Or, use Find to search for Inactive, Is, Either for the same result (with less visibility).
Barcodes Unit Count lets you set the number of items in a barcoded package. This works with Units of Measure to select the correct Units for scanned items like cases.