With a few exceptions (staff-produced items and items produced by large corporations), Spaces are created by individuals as a hobby.
Not many people get around to writing the descriptions.
I haven’t gotten around to that either. I can only go as far as the Examples.
Also, since many people recognize that here is a community of developers, there is an assumption that they can understand the scope of the project without having to write anything.
In fact, since many of the users come from the outside, it would be nice to have helpful explanations, graphical directions, or even a permanent receptionist or guide…
P.S.
HF is just asking for input. Should still be valid.