Two Clusters has a lot of lore files. It is categorized and there are tens of files explaining what is what.
This is because the year is set in 9600+. That is more than 7,000 years in the future. Let's just say that things are vastly different.
So, I will simply refer you to my google drive folder.
Or you can browse what I've complied from the lore files themselves on this site. These can be outdated however and most importantly not everything is here.