Red Dots ...in Flash

[visual]

In Adobe/Macromedia FLASH, what do the RED DOTS that you can toggle on and off in the gray column on the left edge of the ActionScript pallette indicate?
What is they used for?

[Johnny Gulag]

See setting and removing breakpoints (http://livedocs.adobe.com/flash/8/main/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Parts&file=00001632.html). :)

Hope it helps. :)