ditto mark (noun)

1. During World War II, soldiers used ditto marks to quickly reproduce important documents.

2. In the love letter, she expressed her feelings by using ditto marks to repeat 'I love you' multiple times.

3. In the movie script, the director instructed the actors to use ditto marks to indicate recurring dialogue.

4. In the religious text, the verse was written with ditto marks to signify the repetition in the prayers.