1. Open the page in the Page Editor (Settings > Editor).
2. Select the Sub Topic of the vocabulary you wish to edit.
3. Select the Properties button. The Properties panel will open.
4. Select Edit Vocabulary.
Note: The scroll bar will not appear on the right side of the screen, you will need to scroll down with a right click and drag to access all vocabulary items.
5. You can now select, edit, or delete the buttons in the vocabulary.