Because of space limitations, often they would write just one key word to remind them of each parallel verse. For these marginal notes to be useful, these copyists would virtually have to know the entire Hebrew Bible by heart.
इन पार्श्‍व टिप्पणियों के उपयोगी होने के लिए, इन प्रतिलिपिकों को वस्तुतः सम्पूर्ण इब्रानी शास्त्र कण्ठस्थ करना होता ।