A FrontEnd interfaces with a desktop environment. It reads input from the user and the state of the desktop environment. The state is called “front-end state”. FrontEnd passes those two kinds of data to Binding.
A Binding binds actions to input symbols. Optionally it has its own state, which is called “back-end state”.
wild-bind Packages
wild-bind: WildBind core data types and functions. This package defines FrontEnd, Binding and other common types. Although WildBind is mainly targeted to number pads, its core is independent of any input types or desktop environments.
wild-bind-x11: A FrontEnd implementation for X11 desktop environments.