Unlock Bill of Materials lets you override locking of the BOM tool for any Employee.
BOM Locking protects allocations by not allowing changes to a BOM while allocated.
Move To lets you move Line Items on a Quote, Order, or Invoice using pop-up menu.
Right-click on a Line Number and from the pop-up menu choose Move To and Row #. This will move the selected item to the new row and renumber all rows in a new order.
Line Numbers are an optional feature enabled in System Prefs or My Prefs, Line Prefs.
Add Row lets you insert a line item in a transaction when you are using Line Numbers.
On a Quote, Add Row helps you organize items and insert a new one in its best place. Add Row Above and Add Row Below help you add a new blank row where you need.