Users who already know this will roll their eyes in disbelief that after using this NLE for more than 5 years I only now discovered that clicking the (~) collapses and expands all of the tracks on the timeline.
jetdv, you're are documented somewhere in the online help (I assume quick reference card too) but the ` or ~ aren't anywhere in the help file. :D Yippie! That's REALLY usefull!