Example Sentences:

Ramayana:  Ravana was vulnerable to humans and monkeys – this lacuna in the blessings he had received from the gods had now come back to haunt him.

Mahabharata:  While in exile, Yudhishthira improved his gambling skills to fill the lacuna that Duryodhana had exploited in the past and was likely to try to exploit in the future.

Bhagavad-gita:  The Gita was spoken to fill the lacuna in Arjuna’s understanding that made him see action and renunciation as opposites that couldn’t come together.