...
To append a new line, click the Add button.
In the Income GL Account DR columnDr column, select the a GL account to be debited with the income amount.
The Department column is populated with the default department selected as your preference on the Quick Menu > Personal Settings form. You can select another default department if needed.
In the Account DR Dr Dimensions column, click the < >,< > link to open the Dimensions dialog box.
...
In the Project column, you can select a project associated with the income.
In the Income GL Account CR columnCr column, you can select a corresponding credit account for registering this income.
In the GL Account CR Cr Dimensions column, you can select dimensions for the credit account. The dimensions are specific to the selected GL account.
...