老婆 refers to one's wife. It is an informal or affectionate way for husbands to address their spouse.
丈夫 (zhàngfu): This term means "husband" and represents the male partner in a marital relationship.
This term means "wife" and is a more formal or respectful way to address one's spouse.
夫妻 (fūqī): This term refers to a married couple, emphasizing the relationship between husband and wife.