Type, for example, href=/tgif/imagemap/circle.html close to the yellow circle.
Leave text mode by typing <Cntrl>e.
Add the yellow circle to the selection by holding down the <Shift> key and clicking the left mouse button on top of the yellow circle.
Pull down the Special Menu and select the AttachAttrs command.
The text string should become un-selected.
Hide the text string by selecting the HideAttr command from the Special Menu.