...
The meaning of most fields is self-evident, but we will go into the particularly relevant fields here. However, please also read the process-related articles on verification and testing.
Some areas and fields are dependent on other licenses, so you may not see all fields. Right-click in the white area of an area (business object) and select "Show and hide data fields". This allows you to hide fields that are not used at all so that you can focus on them when processing documents.
...
The invoice assignment allows you to assign the document as a whole to an invoice area or a cost dimension account.
...