but then, i could be wrong here possibly mano refers to 'knowing', including 'the intellect' (that is, the knowledge base) in Pali, the word 'yonisomanasikara' means 'to think with wisdom/wise relflection' possibly citta refers to the more 'emotional' aspect of mind, in terms of defilement, love, concentration, purity, freedom, etc so using consciousness (vinnana) as a vehicle for knowing (mano), the mano gains enlightenment & the citta is liberated when the Buddha is the suttas spoke of "liberation of mind", he generally spoke of cittavimutti, namely, liberation of the citta the Pali dictionary states: Mano represents the intellectual functioning of consciousness, while viñnāṇa represents the field of sense and sense reaction ("perception") and citta the subjective aspect of consciousness (cp. Mrs. Rh. D. Buddhist Psychology p. 19)