1. In order to: express purpose, intention, or goal.
- Para estudiar, necesito un libro. (In order to study, I need a book)
2. For the purpose of: similar to the previous one, it indicates a specific intention or purpose.
- Ella está ahorrando para comprarse una casa. (She is saving for the purpose of buying a house.)
3. To address or call someone's attention:
- ¡Para, por favor! (Stop, please!)
4. To indicate a deadline:
- Tienes que entregar el proyecto para el viernes. (You have to deliver the project by Friday)
5. In favor of; on behalf of:
- Ella habló para todos nosotros. (She spoke on behalf of all of us)
6. Comparison or similarity:
- El rojo para mí es como el azul para ti. (Red to me is like blue to you)
7. Exchange or substitution:
- Lo cambiaré mi libro para el tuyo. (I'll exchange my book for yours)
8. To express direction:
- Voy para la biblioteca. (I'm going to the library)
9. Used before an infinitive verb:
- Para bailar, se necesita música. (To dance, you need music)
10. Duration:
- Estuvo lloviendo para todo el día. (It was raining for the whole day)
11. In expressions indicating a time period:
- Para el año 2025, espero haber terminado mi carrera. (By the year 2025, I hope to have finished my degree)
Remember that the meaning and usage can vary depending on the context and region.