How to Find Truly Hidden Toolbars

What does it mean if a toolbar in the XML file has multiple locations? For example:

<toolbar id="81" left="-1564" right="-879" top="-421" bottom="-18" viewMode="1" dockState="3" autohide="1" taskbarmode="0" AlwaysOnTop="1" ForceToEdge="0" showOnClick="0" hotSpot="0" hotSpotMarginNear="0" hotSpotMarginFar="0" hideDelay="0" showDelay="2000" hideStyle="524288" showStyle="524288" showTime="0" hideTime="0" themeType="2" onFullScreen="0" locked="0" fullRow="0" alpha="255" showHotkey="0" monitorDevice="\\.\DISPLAY4" skin=""><tag img_path=""/><guid>{FC712CA0-A945-11D4-A594-956F6349FC18}</guid><data>C:\toolbars\New Programs\</data>
<side side="1" monitor="\\.\DISPLAY2" left="1221" right="1768" top="-1140" bottom="-607"/>
<side side="4" monitor="\\.\DISPLAY2" left="1591" right="2276" top="-682" bottom="-269"/>
<side side="3" monitor="\\.\DISPLAY4" left="-1564" right="-879" top="-421" bottom="-18"/></toolbar>