...
In the Amount field, specify the total amount received from the employee.The default currency of the amount is the currency of the bank account to which the payment is received. The effective exchange rate for the currency with respect to the national currency is shown to the right of the field.
<Auto> in the Number field indicates that a number to this document will be assigned automatically when you save the document.
...
In the Entity field, select an entity of your company for which this document is being prepared. The Entity field is available if the Multi-Company Accounting option is selected on: Administration > Settings> General Settings. You can select your personal default entity to appear in documents; for this, refer to to Personal Settings. If If you have not selected your default entity, the entity defined first will be used as the system default value.
...
For other button descriptions, see see Document Toolbar.