Final answer:
Before posting a parked document in an ERP system, only specific configurable fields can be edited, depending on the system settings established by the administrator.
Step-by-step explanation:
The question relates to the functionalities within an enterprise resource planning (ERP) system for finance, such as SAP. When you park a document in an ERP system, you are saving the document temporarily with the intention of completing it later. These configurable fields can vary depending on the document type and the specific business requirements. For example, in a sales order document, you may be able to edit fields such as the customer name, item quantity, or delivery date. Before posting a parked document, you can only edit specific configurable fields. The fields that can be edited depend on the system's configuration settings which the system administrator can define. Typically, these include but are not limited to amounts, dates, text, and some master data fields. It is however not permitted to edit all fields of the document.