Bezemer,J. and Kress.G.(2008) consider the changing roles of image and writing in the representation of knowledge in secondary school English, Science and Mathematics texts published between 1930 and 2005.
A hybrid of window system, shell, and editor, Acme gives text-oriented applications a clean, expressive, and consistent style of interaction. Traditional window systems support interactive client programs and offer libraries of pre-defined operations such as pop-up menus and buttons to promote a consistent user interface among the clients. Acme instead provides its clients with a fixed user interface and simple conventions to encourage its uniform use.