What vows did a monk take?

Catholic AnswerReligious, that is, brothers, and sisters, normally take three vows: chastity, obedience, and poverty. They are NOT monks, and these are not the normal vows for a monk, they are the evangelical counsels, and are all included in the monk's vow of Conversatio Morum:

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However, most monks and nuns in the Catholic church are either Benedictine, or some order which has come from the Benedictine Order (Cistercians, Cistercians of the Strict Observance {Trappist}, and to some extent, Carthusians, who are not strictly monks, but hermits. All of these take three solemn vows: Stability (to remain in the same monastery), Conversatio Morum (a Latin phrase usually translated "conversion of life" which, among other things, includes poverty and chastity - and much more), and Obedience.