This complex chair has three audiences, each of which needs simple intruction. First is the person who sits in the chair. Second is the person who teaches people to use office furniture or purchases the furniture. Third is a combined audience composed of the first two groups from around the world. The chair’s features are complex, but information on each page is presented in as non-intimidating a way as possible. Adjustments are explained (in English and in a four-language international version) in a consistent format using illustrations and text that help readers locate information quickly and grasp the chair’s innovative customizing possibilities.