Hello. I edited the text to make it shorter (and have all three about equally long), and added a definition for Zoltar here. I think that's enough for now, but if you want it longer we can reopen this issue. My suggestion is to close the issue for now.
I think there are three supported options for data storage/archival now:
Maybe we can add a new page under the Overview heading in the documentation with a paragraph or two describing each of these options?
related to #32