'kṛṣṇa-tattva', 'rÄdhÄ-tattva', 'prema-tattva-sÄra'
'rasa-tattva' 'lÄ«lÄ-tattva' vividha prakÄra
kṛṣṇa-tattva - the truth about Kṛṣṇa; rÄdhÄ-tattva - the truth about RÄdhÄ; prema-tattva-sÄra - the essence of Their loving affairs; rasa-tattva - the truth about transcendental mellows; lÄ«lÄ-tattva - the truth about the pastimes of the Lord; vividha prakÄra - of different varieties.