The Clue Unsaid yet understood, as hinted in the song "Kuch Na Kaho..."
The Answer TACIT
The word "tacit" means something that is understood without being spoken. In the song "Kuch Na Kaho," the emotions and feelings are conveyed without direct words, making it a perfect example of a tacit understanding. The song captures the essence of unspoken feelings, aligning well with the definition of "tacit." Thus, it fits the crossword clue perfectly.