+A **callback** is a [function](/wiki/function) given as an argument to another, to be called back when a specific [event](/wiki/event) occurs. This allows for flexible responses and often facilitates [asynchronous](/wiki/asynchronous) operations within a program.
+## See also
+- [API](/wiki/api)
+- [Parameter](/wiki/parameter)
+- [Control Flow](/wiki/control-flow)