Study settings

Lessons

Lessons are your own collections of words: a set built around a topic, a textbook or a trip. You can open any of them whenever you like. The daily session works differently: it is assembled afresh each time, and there is no "session number one" to return to.

A lesson is a word collection

A lesson groups words already in your dictionary. It does not add new words and does not create a schedule of its own: every word inside a lesson lives on its own review date, like all the rest.

You can open a lesson at any time and as often as you like — nothing expires or closes after you have been through it.

Why yesterday’s session cannot be repeated

A session is not stored the way a course lesson is. It is assembled afresh for your current state: whatever is about to be forgotten today goes into it. Yesterday’s set is already out of date — some of those words will return by themselves, others are too early to show.

So sessions are not numbered and you cannot go back to the first one — it does not exist as an object. That is the price of adaptivity: the schedule follows you rather than a plan written in advance.

If a session is interrupted

An interrupted session does not roll back your progress: the answers you managed to give are counted. The remaining words simply did not get a new date and will come round next time.

So after losing your connection there is no need to hunt for "that session" — just start an ordinary one and the unfinished material will be in it.