+A Higher Order Function (HOF) is a function that can take other [functions](/wiki/function) as arguments, or return a function as its result. This powerful concept, central to [functional programming](/wiki/functional_programming), enables abstraction and code reuse by treating functions as first-class citizens.
+## See also
+- [Callback](/wiki/callback)
+- [Closure](/wiki/closure)
+- [First-Class Function](/wiki/first_class_function)