Aside from the ability to import Items into Commit, there are many other useful functions in the Commit-QuickBooks Link.
You can see all the synchronization options for Item records in Commit and QuickBooks in the Items window on the QuickBooks drop down toolbar menu in Commit.
You will see one of the two following menus.
The first menu is displayed when a selected Item record is not linked to an Item record in QuickBooks.
1. 
The second menu is displayed when a selected Item record is linked to an Item record in QuickBooks.
2. 
All the options are initiated from the Items window in Commit, and therefore the QuickBooks company file does not have to be open when you choose to select any of the above actions. (If QuickBooks is open you may notice performance improvements.)
General
Commit syncs with the following item types in QuickBooks:
1. Labor Items in Commit are parallel to Service Items in QuickBooks
2. Products/Parts Items in Commit are parallel to the following Items in QuickBooks:
a. Inventory Parts
b. Non-Inventory Parts
c. Inventory Assembly Items
3. Expense Items in Commit are parallel to Other Charge Items in QuickBooks.