This figure shows an application window titled Converter. It contains two similar panels laid out vertically. Each panel contains a text field, a slider underneath the text field, and a combo box to the right of the two previous components. The top panel is titled Metric System, and it displays 100 in the text field and Centimeters in the combo box. The bottom panel is titled U.S. System, and it displays 39.37 in the text field and Inches in the combo box.