Bookmarking allows you to note the Picmonics you want to easily find and review later. In the upper right-hand corner of the Picmonic player, you will see a “...” menu icon that you can click on:

To bookmark a Picmonic, just click "Bookmark".

To see all Picmonics you have bookmarked, click Search in the left-hand navigation bar, and click the "+" to expand the "Bookmarked" menu.