Flash Cards You have a pile of cards. a) Click NEXT to see card 1 (e.g. Careful). b) Click NEXT again to see card 2 (e.g. OF) Repeat (a) and (b) as many times as you wish. When you have memorised a pair of cards, click DELETE to make sides 1 and 2 of the selected card(s) to disappear from the pile.