Tap or press Space to flip. After revealing the definition, mark whether you knew it: correct answers graduate to the next box (intervals 10 min, 1 day, 3 days, 7 days, 21 days); incorrect drops back to box 1. The flashcard deck is independent of your quiz progress — they have separate storage.

MODE

Nothing due right now.

All cards are on their cooldowns. Switch to All cards, or come back later.

Keyboard: Space flip, ←/→ previous / next, 1 didn't know, 2 knew it.