1. Of, from: This is the most common meaning of "de." It indicates possession, origin, or material.
* Ejemplos:
* El libro de Juan (Juan's book)
* La casa de madera (The wooden house)
* El vuelo de Madrid a Barcelona (The flight from Madrid to Barcelona)
2. To (in some cases): "De" can also be used to indicate the direction of movement, similar to "to" in English, but only in certain contexts:
* Ejemplos:
* Ir de viaje (To go on a trip)
* Volver de la escuela (To come back from school)
3. Part of a larger group: "De" can also be used to indicate a part of a larger group.
* Ejemplos:
* Un vaso de agua (A glass of water)
* Una bolsa de patatas (A bag of potatoes)
4. As part of expressions: "De" is frequently used in fixed expressions, sometimes with a different meaning than the ones mentioned above.
* Ejemplos:
* De repente (Suddenly)
* De acuerdo (Okay)
* De nada (You're welcome)
It's important to note that the specific meaning of "de" depends on the context of the sentence.
Let me know if you want more examples or have specific questions about the use of "de" in a particular phrase.