From Seed
- Administrator - a colonist who has been voted for and won the right to control bits and machines.
- Canyon, The - the canyon where the Tower has been built by TAU
- Chimpbot - Repair droids that wander the corridors of the Tower
- Da Vinci - an unspecified planet orbiting Beta Hydri
- Ring - cooperative group of colonists
- Seed - Slang term for colonist
- Seedling - Slang term for colonist
- TAU - Terraforming Administration Utility - artificial swarm intelligence that controls the Tower
- Tower - terraforming structure that houses the colonists