Meno's paradox and inostensible conceptualization -- Asking and answering -- Knowledge by acquaintance and knowledge by description -- Referential and attributive uses of definite descriptions -- De re/de dicto -- Rigidity and direct reference -- Reference to the object of curiosity -- Conditions for curiosity -- Conditions for the satisfaction of curiosity -- Relativity of curiosity and its satisfaction -- Presuppositions of curiosity -- Limits of curiosity and its satisfaction.