As a teacher you can set homework for your students, wherein you select a vocab list for the students to learn and set a target number of points for them to earn. You also select the time period that the students have to earn the points.
To set homework:
Click on the 'Students' tab. On the right hand side of the page there is a green button that reads 'Set homework' - click on it
You can select the name of the homework, the points target, and which list to learn.
Select the homework duration using the slider bar - drag the handles to adjust how long you want the time period to be
There is also a box at the bottom of the screen where you can type in any instructions you wish to give (this is an optional feature)
When you are done, click 'Set Homework' at the bottom of the screen
When the homework period finishes you will receive an email which details your students' progress with the homework.