diff -r 3b2df86d8f94 -r 079ced01f875 docs/terminology.rst
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/docs/terminology.rst	Wed Aug 20 15:01:11 2014 +0200
@@ -0,0 +1,18 @@
+Terminology
+===========
+
+
+Buffer
+------
+
+Buffer is rectangular offscreen area of known size.
+
+It can be drawn on the screen or into another buffer.
+
+
+Widget
+------
+
+Basic element of the application.
+
+* Can draw itself in given buffer on given position.