# 0: Database

- [1: Material Groups](/docs/components/0-database/1-material-groups.md)
- [2: Material](/docs/components/0-database/2-material.md)
- [3: Systems Groups](/docs/components/0-database/3-systems-groups.md)
- [4: Building Systems](/docs/components/0-database/4-building-systems.md)
- [5: Energy Carrier](/docs/components/0-database/5-energy-carrier.md)
- [6: Transport Material](/docs/components/0-database/6-transport-material.md)
- [7: Transport People](/docs/components/0-database/7-transport-people.md)
- [Item Selector](/docs/components/0-database/item-selector.md)
