21. An apparatus for automatically assisting a user to select and insert a graphic image in a presentation document, said graphic image thus inserted being relevant to a concept expressed by text within the presentation document, the apparatus comprising: (a) a presentation document generation module for inserting textual and multimedia content into a presentation document in response to user input; (b) a graphics library query module for retrieving graphics images that are relevant to a concept expressed by the text from a graphics library comprising a plurality of graphic images, each graphic image being associated with a concept, the graphics library query module, in response to a request, providing one or more graphic images based on their associated concept, to a requesting module; and (c) a conceptual graphic insertion module for detecting that textual content in the presentation document includes a conceptual word, and in response thereto, submitting a request to the graphics library query module for one or more graphic images associated with the conceptual word based on the concept associated with such graphic images, and enabling a user to select a graphic image from said one or more graphic images provided by the graphics library module in the response to the submitted request, to be inserted in the presentation document.
21. An apparatus for automatically assisting a user to select and insert a graphic image in a presentation document, said graphic image thus inserted being relevant to a concept expressed by text within the presentation document, the apparatus comprising: (a) a presentation document generation module for inserting textual and multimedia content into a presentation document in response to user input; (b) a graphics library query module for retrieving graphics images that are relevant to a concept expressed by the text from a graphics library comprising a plurality of graphic images, each graphic image being associated with a concept, the graphics library query module, in response to a request, providing one or more graphic images based on their associated concept, to a requesting module; and (c) a conceptual graphic insertion module for detecting that textual content in the presentation document includes a conceptual word, and in response thereto, submitting a request to the graphics library query module for one or more graphic images associated with the conceptual word based on the concept associated with such graphic images, and enabling a user to select a graphic image from said one or more graphic images provided by the graphics library module in the response to the submitted request, to be inserted in the presentation document. 25. The apparatus of claim 21, further including a graphics library modification module for modifying the contents of the graphics library in response to user input.