A white zoom arrow (
) indicates that you can display more detailed information about a transaction and make changes to or delete the transaction.
![](images/introduction.003.12.1.png)
A gray zoom arrow (
) allows you to display more detailed information about a transaction, but the information is read-only (that is, it cannot be changed). If you want to change the information, you can reverse the transaction and re-enter it (see ‘Reversing a transaction’). Alternatively, you can change your security preference selection to make all transactions changeable (see Set up preferences).
![](images/introduction.003.12.2.png)