Example sentences:

Ramayana: For Rama, the crux of the issue was Dasharatha’s instruction, whereas for Lakshmana the crux was Dasharatha’s intention.

Mahabharata: During the discussion before Draupadi’s disrobing, the crux of the issue was not whether Yudhishthira had the right to gamble Draupadi or not; the crux was whether the assembly would stay silent while a royal lady was dishonored in front of them.

Bhagavad-gita: The crux of the Gita’s discussion is not whether Arjuna should fight the war or not; it is how we can discern the right course of action amid life’s perplexities.