Final answer:
The QBO Create (+) icon in QuickBooks Online is used for creating Invoices, Bills, and Purchase Orders, but not typically for (3) Payroll transactions which are managed through other payroll features or services.
Step-by-step explanation:
The QBO Create (+) icon in QuickBooks Online is used for adding various types of business transactions. When considering which transactions can be created using the QBO Create (+) icon, we can include: Invoices, Bills, and Purchase Orders.
However, Payroll transactions are not typically created using the QBO Create (+) icon. Instead, payroll transactions are usually managed through a separate payroll feature or service within QuickBooks or an external payroll provider integrated with QuickBooks.