vrajendra-nandana kṛṣṇa - Lord Kṛṣṇa, the son of Mahārāja Nanda; nāyaka-śiromaṇi - best of all heroes; nāyikāra śiromaṇi - the best of all heroines; rādhā-ṭhākurāṇī - Śrīmatī Rādhārāṇī.

“Lord Kṛṣṇa, the Supreme Personality of Godhead, who appeared as the son of Nanda Mahārāja, is the supreme hero in all dealings. Similarly, Śrīmatī Rādhārāṇī is the topmost heroine in all dealings.