It provides the basis for structural navigation by the user. In order for the content to be rendered in all three modalities, it is necessary to capture such distinctions as emphasis and changes in the natural language or notation in which the text is written. Following this checkpoint, implies that the appropriate information is provided to enable sophisticated analysis of the content by search engines and other processing applications. A structured data base or collection of metadata, in circumstances where the user interface is supplied entirely by the client application, lies outside the scope of this guideline. 3.1 Use a consistent style of presentation that will facilitate comprehension of the content.
Consistency helps users determine the relationships between items in the content.
This ability to understand the structure helps users navigate, orient themselves, and thus understand. 3.2 Use color, styles, and graphics to emphasize the structure of the document. This will help the user orient himself or herself within the document, focus on the important elements of the document, differentiate between a key element and the explanatory or supplementary material. 3.3 Divide large blocks of information into more manageable groups where natural and appropriate. For example, Divide user interface controls into logically organized groups.