You can save bookmarked words into custom folders. This is useful if you have many bookmarks that require organization.
Firstly, tap the Bookmarks tab on the tab bar and then on the bookmark you wish to edit.
Tap the Edit icon on top-right tool bar to open the Edit View.
Tap the folder icon to open folder view.
The current folder containing the bookmark will be checked.
Tap the New Folder button to create a new folder.
Tap the preferred folder for the bookmark. The check mark will show where the bookmark is now stored.