Labels:text | screenshot | font | number OCR: Icon Uses None Program credits, reminders, general help. Error conditions, conditions requiring immediate action. ? Inquiries, most confirmations. Potentially program-fatal errors, confirmation of ISTOP an irreversible action. Informationel alerts. These usually have only an i 'OK' button. Alerts with more than one choice might be better suited for the question mark icon. General disk errors and requests.