| Section 831-01: Fundamental concepts |
| 831-01-01 | architecture, <of a smart city system> | |
| 831-01-02 | capability, <of a smart city system> | |
| 831-01-03 | city, <of a smart city system> | |
| 831-01-04 | city function, <of a smart city system> | |
| 831-01-05 | community, <of a smart city system> | |
| 831-01-06 | continuity, <of a smart city system> | |
| 831-01-07 | culture, <of a smart city system> | |
| 831-01-08 | economy, <of a smart city system> | |
| 831-01-09 | environment, <of a smart city system> | |
| 831-01-10 | identifier, <of a smart city system> | |
| 831-01-11 | interoperability, <of a smart city system> | |
| 831-01-12 | life cycle, <of a smart city system> | |
| 831-01-13 | maintenance | |
| 831-01-14 | organization, <of a smart city system> | |
| 831-01-15 | risk | |
| 831-01-16 | safety | |
| 831-01-17 | security | |
| 831-01-18 | service, <of a smart city system> | |
| 831-01-19 | smart city | |
| 831-01-20 | sustainability, <of a smart city system> | |
| 831-01-21 | system, <of a smart city system> | |
| 831-01-22 | system of systems, <of a smart city system> | |
| Section 831-02: Digital system concepts |
| 831-02-01 | cyberspace, <of a smart city system> | |
| 831-02-02 | data, <of a smart city system> | |
| 831-02-03 | digital system, <of a smart city system> | |
| 831-02-04 | digital twin, <of a smart city system> | |
| 831-02-05 | information, <of a smart city system> | |
| 831-02-06 | information security | |
| 831-02-07 | metadata | |
| 831-02-08 | open data, <of a smart city system> | |
| 831-02-09 | platform, <of a smart city system> | |
| Section 831-03: Physical system concepts |
| 831-03-01 | built environment, <of a smart city system> | |
| 831-03-02 | electrotechnology | |
| 831-03-03 | physical system, <of a smart city system> | |
| Section 831-04: Social system concepts |
| 831-04-01 | beneficiary, <of a smart city system> | |
| 831-04-02 | citizen, <of a smart city system> | |
| 831-04-03 | social system, <of a smart city system> | |
| 831-04-04 | society | |
| 831-04-05 | stakeholder, <of a smart city system> | |