Elements of appearance such as color, size, and thickness of beveled edges are less important to application interoperability. Component design and layout are described in the reference section for each component and also in Component Design . Interaction is familiar. When interaction is different among applications, it confuses the user and makes it difficult to concentrate on the task of the application. This applies to the behavior of components, input methods, selection models , and keyboard navigation .
Interaction is described in Interaction .
Components are organized in a familiar manner. The user needs to be able to quickly find the proper component for each task. Organizing the components according to consistent guidelines helps the user do this. Application layout guidelines are described in Layout .