The following is an example of how an application creates a brush of a solid color (scb), modifies the brush to have a solid color (red) and uses the brush to color a button's background red: SolidColorBrush scb = new SolidColorBrush( ); scb.Color = Colors.Red; Button 1.Background = scb; // this qualifies as a ???use??? (as described below) The notion of ???using??? a value has a specific meaning,