A good overview about all the inodes, groups, blocks, Bitmaps and directories stuff can be found e.g. in /4/.
This is a dataset server that is used to store high-level data types such as strings, hashes, lists,
sets, and Bitmaps, etc.
The application can work with custom video and photo files, supports recording voice-over voice, includes a library of video effects and filters for adjusting color,
imported Bitmaps.