Where or how are items used in QuickBooks?

They are used to reconcile bank accounts

They are used to count how many transactions are in the system

They are used in transactions such as invoices or bills to track type of product or service being sold and$/$or purchased.

They are used only to track inventory items being sold.

They are not used in QuickBooks at all unless you turn on the items functionality

All of the Above

None of the Above