It is used to express that someone wanted or wished to do something in the past.
Examples:
* Yo quise ir a la playa: I wanted to go to the beach.
* Ella quiso comer pizza: She wanted to eat pizza.
* Nosotros quisimos viajar a Europa: We wanted to travel to Europe.
Note: "Quise" is the first person singular form of the past tense of "querer". For other persons, the past tense forms are:
* Quisiste: You wanted (second person singular)
* Quiso: He/She/It wanted (third person singular)
* Quisimos: We wanted (first person plural)
* Quisisteis: You wanted (second person plural)
* Quisieron: They wanted (third person plural)