The Relative Bounds pane determines the size and the location of the Labels brush element on your gauge.
X — This value determines the distance of the labels brush element from the left of the Gauge control.
Y — This value determines the distance of the labels brush element from the top of the Gauge control.
Width — This value determines the width of your labels brush element.
Height — This value determines the height of your labels brush element.
Units — This value specifies the unit of measurement for your labels brush element. The labels brush element can be measured in pixels or as a percentage of the Gauge control.