Filters that have been applied
Useful to see what filters were changed after reseting them all.
Useful to see what filters are useless so we can hide them.
DistinctValueCount is also useful to find what filters to change the filter type or hide the filter search field (from filter scheme properties)
Can filter based on data type
Good documentation is available by pressing F1 while in the filters search box.
The syntax to find filters can be applied across Spotfire, i.e. custom expression dialog, visualization column properties, etc.