ACAP's advocacy work focuses on representing publicly sponsored programs and health care providers who serve vulnerable populations.

A graphical user interface (GUI) represents programs and data using visual symbols instead of text.

Tree-like representations are used in GP to represent and evolve functional programs with desired properties.

The Spinwizard is a colorful carousel that holds up to 96 icons (36 at a time are visible) representing programs and documents.

Fjölnir is based on the concept of representing programs as trees, and packages by substitutions on trees using algebraic operators.

Icons represent files, programs, and directories.

There are icons - symbols representing programs and documents - and a menu bar across the top from which you select options.

Note: Bars with lighter shading represent programs with fewer than 400 enrollees.

Using Symbols The Macintosh display has long been noted for its distinctive use of symbols to represent different computer functions and programs.

Version 3.0 brings a new level of functionality to DOS-based computers, but the icons that represent programs are dull.