What do China people mean by daughter-in-law

The word "daughter-in-law" is what a father or mother calls his son's wife. Call your wife and daughter-in-law disorderly (luàn? Karen's name! ! I'm from the south of China, and I'm not a pure China, so my wife and daughter-in-law are luan and Lun (lún The word wife refers to one's own wife. The person who stepped on it was obviously non-Chinese or was harmed by TV dramas and movies! I'm sorry! ! ! Daughter-in-law and son-in-law are two nouns. Daughter-in-law is the address of the father or mother of the man's family to his son's wife! The son-in-law is the father or mother of the woman's family's address to her daughter's husband!