If you would like to group some of your verses, e.g. to a certain subject, you can give them the same label. You will find this option after selecting a verse in the 'Verse' list. The label button is the 3 cards.
Select labels you would like to add your verse to. If the label does not exist yet, press '+'.
Type a name for your new label and press 'Done'. If you want to add the verse to an existing label you can simply select the label.
Tapping on Save adds the verse to the new label(s).
You can display the verses of a single label by selecting it in the right side menu which shows a list of all the labels
Select a label to display the verses that belong to the label.
To remove a verse from a label select the verse in the 'Verse' list, press the 'Labels' button and deselect the label name.
When all verses are removed from a label, the label is deleted automatically.