The Painting section contains the Visualization Tools options:

Options page Description
Code Difference The Code Difference options.
Code Previews The Code Previews options.
Comment Painter Use this options page to enable or disable comment painting.
Flow Break Evaluation The Flow Break Evaluation options.
GDI Compatibility The GDI compatibility options.
Line Highlighter The options for highlighting a current line.
Linked Identifiers The Linked Identifiers options.
Member Icons The options for member icons.
Navigation Fields The Navigation Fields options.
Navigation Links The Navigation Links options.
Regions The options for painting regions.
Right Margin Line The Right Margin Line options.
Show Color Use this options page to specify Show Color availability.
Show Metrics The Code Metrics options.
Structural Highlighting The Structural Highlighting options.
Text Fields The Text Fields options.
XML Doc Comments The XML Doc Comment Painter options.

This product is designed for outdated versions of Visual Studio. Although Visual Studio 2015 is supported, consider using the CodeRush extension with Visual Studio 2015 or higher.