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From Adobe's FrameMaker 7 Reviewer's Guide, 

Documents can be created in a myriad of ways by users employing a broad variety of authoring tools and processes. For example, graphic designers for magazines conceive and implement their ideas based on a page-oriented paradigm. Their process model is a design-driven workflow, where the compo-nents of a page (such as the story title, the lead paragraph, the body copy, and the illus-trations and photos) are considered sepa-rate assets. Graphic designers use their artistic skills to manually position and manipulate these components on individual pages. Word processing users, on the other hand, often follow a format-driven work-flow. They select text and manually format it by choosing a text size, applying a bold font, using line feeds to add space between paragraphs, and so on. 

The design-driven and format-driven pro-cess models place significant emphasis on the user�s skill and dedication to lay out and format the content consistently and cor-rectly. The output of these types of work-flows tends to be channel-specific. For instance, a magazine�s graphic design and layout that is optimized for the size of the printed page is often inappropriate for other media such as the Web. Similar issues can arise when it comes to repurposing word-processing documents for the Web. 

These issues can be effectively addressed by moving to a template-driven process model. In this type of workflow, the format of the content is controlled by a style sheet that is part of a template, which controls the physi-cal layout of the finished publication. Users tag the content to identify components such as chapter names, words to be emphasized, product names, cautions and warnings, and so on. The style sheet associates format and layout information with these tags to ensure, for instance, that chapter names always start on a new right-hand page and appear in 16-point centered Myriad� Bold type, with 3 line spaces between the heading and the first paragraph of the text that fol-lows. The template includes a set of style sheet definitions plus one or more stan-dardized master layout pages that apply consistent parameters for the positioning of text and graphics on various types of pages (such as cover and contents pages, ad pages, and inside text pages). 

One key advantage of a template-driven workflow is that consistent formatting and layout of the content is assured because the 3automation of formatting and layout tasks reduces the need for users to manipulate publications components manually. Even more valuable, however, is the separation of the formatting and layout decisions from the source content. This allows a group of templates tailored to specific output media to be used with exactly the same content. A template-driven workflow therefore enables single-source, multichannel publishing. One content source can be rendered into a printed book, several eBook formats, and two versions of HTML (one graphically rich, one accessible to the visually impaired), by applying a medium-specific template, which automatically implements the appropriate styles and styling technolo-gies for each of the desired output channels.