- (kwo) field of knowledge, province, speciality |

samaji swa-ney fah - understand one's business |

bu es suy fah - that is out of his province, that's not in his line |

lu es master de suy fah - he is an artist/virtuoso |

lernifah - (kwo) subject (course of study) |

forjifah - (kwo) blacksmithing