1. A system for providing a graphical interface to a user, comprising: a server platform and an operating system and application software running thereon; and, a client device capable of running a standard web browser that accesses the software application on the server platform for displaying information to the user in a browser window arranged within a display area on the client device, without requiring additional software to be installed or downloaded or run on the client device and without requiring a scripting language to be enabled in the web browser on the client device, or web browser plug-ins, extensions, enabled scripting language, enabled applet support or other enabled adjunct code support; wherein the application simultaneously provides structured information within the browser window, and business document images within a limited portion of the browser window, and the application conditionally provides context-dependent information within the display area, the context-dependent information originating from an source external to the system; wherein the application software (i) facilitates manipulation by the user of unstructured business document image in the limited portion of the browser window, wherein the manipulation includes one or more operations suitable for conducting a detailed inspection of the business document image data; (iii) facilitates the user selectively causing to display annotations within the limited portion of the browser window; wherein the application facilitates the user inserting one or more annotations within or upon the business document image, and inserting the one or more annotations causes an action to occur in either this system or an external system; wherein the application software facilitates the user performing context-dependent actions related to a transaction associated with at least one of the structured information and the business documents, wherein the application prompts the user for context-dependent information related to the actions, wherein validates information provided by the user with respect to data provided by another system external to the computer platform, and the context-dependent actions triggers operations in one or more other systems external to the computer platform.