A computer system executes a host application that generates a graphical user interface for display on a respective user's display screen. In addition to executing the host application, the computer system (or other computer) provides an environment for executing a so-called help agent (e.g., a plug-in...http://www.google.de/patents/US8001470?utm_source=gb-gplus-sharePatent US8001470 - Help functionality and graphical user interface applications