Callback

Callback can mean: Callback (computer science), executable code that is passed as a parameter to other code
Callback (telecommunications), the telecommunications event that occurs when the originator of a call is immediately called back in a second call as a response
Callback verification, a method for e-mail address verification used in SMTP
Callback (comedy), a joke which refers to one previously told in a set of jokes including both
Callback (film), a 2005 film
Web callback, a technology that provides telephone callback for websites
In theater, film, or other performing arts, a follow-up after an audition, in which directors can further audition candidates for a position or part

Translation

The word "Callback" occurs as such in the following languages: English, German, French, Russian.