> Zircon: microkernel, underlying service process (device manager, core device driver, libc, interprocess communication interface library fidl) Garnet: System-level system services: software installation, communication, media, graphics, package management, update systems, etc. Peridot: The infrastructure layer of the user experience: modules, users, storage services, etc. Topaz: The basic application of the system, Web, Dart, Flutter These names are from Steven Universe.

Nice!