Harana's song "Smile In Your Heart" is a love song that speaks about the emotions one feels when in love. The lyrics express the feeling of security and comfort that comes with being with someone you love. It talks about the fear of being apart from that person and the hope that the love will never fade away. The song also highlights the importance of communication in a relationship. The singer asks for a smile in the heart, which could mean a gesture or a simple communication that shows love and affection towards the other person. Overall, the song is a beautiful reminder of the power of love and how it can brighten one's day and give direction in life. The catchy melody and beautiful lyrics make it a timeless classic that will continue to be enjoyed by lovers for years to come.