Kitchen Knife and Uses

Y'alls, i rasa kita as a kitchen manager kat rumah ni, mesti ada 1 favourite knive yang kita guna for everything kan? Ahahahah bila cakap pasal jenis2 pisau ni dia mcm nak respond 'ada aku kesah?' Aaa gitu ahahahah Tapi this is for knowledge okies? Maybe ada yg dah tau and ada jugak