2.4 Editing Types

The types in the previous section are used for general programming purposes, and most of them are common to most Lisp dialects. Emacs Lisp provides several additional data types for purposes connected with editing.

2.4.1 Buffer Type		The basic object of editing.
2.4.2 Marker Type		A position in a buffer.
2.4.3 Window Type		Buffers are displayed in windows.
2.4.4 Frame Type		Windows subdivide frames.
2.4.5 Window Configuration Type		Recording the way a frame is subdivided.
2.4.6 Frame Configuration Type		Recording the status of all frames.
2.4.7 Process Type		A process running on the underlying OS.
2.4.8 Stream Type		Receive or send characters.
2.4.9 Keymap Type		What function a keystroke invokes.
2.4.10 Overlay Type		How an overlay is represented.