* Exchange: This is the most common meaning. It refers to the act of trading one thing for another.
* Change: This can refer to a change in something, or a change of clothes.
* Bargain: This is less common but can refer to a good deal or something bought at a reduced price.
Here are some examples:
* "Hicimos un troca de regalos." (We exchanged gifts.)
* "Necesito hacer una troca de ropa." (I need to change clothes.)
* "Encontré una troca en la tienda." (I found a bargain at the store.)
It's important to consider the context to determine the specific meaning of "troca" in a sentence.