Formal:
* Senhorita: This is the most common and formal way to address a young woman.
* Dona: This is used for married or older women, but can also be used as a polite way to address any woman.
Informal:
* Moça: This is a more informal way to address a young woman.
* Garota: This is a very informal word and is often used for young girls or teenagers.
In other contexts:
* Senhorita: is also used as a title before a woman's name, similar to "Miss" in English.
* Dona: can also be used as a title before a woman's name, similar to "Mrs." in English.
It's important to note that the appropriate way to address someone in Portuguese will depend on the situation, your relationship with the person, and their age.