WH10:The PICTURE icon. If it isn't grey, then clicking here will redisplay the picture associated with the question.
WH12:The DIFFICULTY icon. Click here to cycle through the difficulty levels. Anything above level 1 turns on the timer.
WH09:The FILES icon. Clicking here will open a menu, showing the files that are available.
WH11:The TRASH icon. Click here if you wish to reset everything, and begin again.
WH15:Click on this icon if you think answer C is the correct answer to the question.
WH14:Click on this icon if you think answer B is the correct answer to the question.
WH13:Click on this icon if you think answer A is the correct answer to the question.
WH20:The timer shows how much time remains to answer a question. The timer is active only on DIFFICULTY levels 2 & 3, level 3 having the shortest time to answer.