What does shading allow you to modify in a document?

Shading is a feature commonly used in document editing and design software that allows users to modify the appearance of elements by changing their background color, which can enhance the visual hierarchy and emphasis of certain sections. This enables users to create visually appealing documents by highlighting specific areas or delineating sections.

While the correct answer includes the ability to modify the color of elements, it is also important to recognize that shading can influence how those elements fit into the overall design—by affecting width and potentially even styles, depending on the software capabilities. This feature allows users to create a more organized and attractive layout, thereby improving the reader's experience.

The other options do not fully capture the scope of what shading can do. For instance, shading does not directly affect the font size or type of text; instead, those attributes are governed by different settings within a document's formatting options. Similarly, shading is not solely about changing background colors, as it can encompass more stylistic modifications. Lastly, altering the overall layout of a web page involves much more than shading, as it requires adjustments to structural elements, spacing, and design frameworks.