1. "In" (location): This is the most common meaning of "na" and it's used to indicate location, similar to "in" in English.
* Example: "O livro está na mesa." (The book is on the table.)
2. "On" (location): Sometimes "na" is used to indicate "on" a surface, especially when referring to a horizontal surface.
* Example: "O gato está na cadeira." (The cat is on the chair.)
3. "At" (time): "Na" can also be used to indicate time, similar to "at" in English.
* Example: "Eu vou ao cinema na noite." (I'm going to the cinema at night.)
4. "With" (accompaniment): "Na" can be used with some verbs to indicate accompaniment.
* Example: "Ele veio na festa comigo." (He came to the party with me.)
5. "In" (inclusion): "Na" can also mean "in" when referring to a group or set.
* Example: "Ela está na lista." (She is on the list.)
Important Note: The best translation for "na" depends on the specific context. It's helpful to consider the sentence and the surrounding words to determine the most accurate English equivalent.