1. "Madam" is the English term used to address a married woman, often used with her surname or full name.
2. "Ms." is the English term that can be used instead of "Miss" or "Mrs." when the marital status of a woman is unknown.
3. "Mrs." is the English term used to address a married woman, and it must be used in conjunction with her husband's surname or full name.
4. "Miss" is the English term used to address an unmarried woman, and it must be used with her surname or full name.
