But does it show how to get this char too? ⌘ or all these? ⇧ ⌥ ⎋
Nope. Those characters aren't represented in any of font suitcases associated with Word in my OS 9.
And does it tell you which fonts are actually (capable of) displaying them?
Likewise no. Each font has a (relatively) unique makeup, and the grid associated with same shows it. One just has to select a front and inspect the grid.
As noted, fonts which are not 'transparent', such as Symbol, require KeyFinder (unless you've got a great memory or write it down on a cheat sheet (just like the good ol' days).