You can get some general cue from their base styles, but they can also all be set up to overlap so well as to be different flavors of interchangeable.
Let's say starting as in their basic forms' -before getting into crossing them over to each other-
Halls and 'Rooms begin as real spaces (and their mimics). Think envelopes anywhere from smooth to bumpy.
Chambers and plates began as physical' mimicking 'space. Generally smoother envelopes. Lexi describes their 'chambers as being 'lowest color', few in dimensional cues.
Then add a little predelay, the right size (density and length, also shape) and plate/chambers look like some rooms, big or small.
I'd suppose it would be safe to say shapes, envelopes, reflection and echo patterns, predelay define more (or as much?) than the base style.