The following table contains common abbreviations used in Cities XL communities.
| Abbrev. | Full name | Description |
|---|---|---|
| CXL | Cities XL | Cities XL |
| MC | Monte Cristo | Former Cities XL developer |
| FHI (also: FH) | Focus Home Interactive | Publisher of Cities XL, Developer of Cities XL 2011 and 2012 |
| 3dsMax | 3D Studio Max | 3D modeling program used for CXL modding |
| BAT | Building Architecture Tool | SC4 Modding Tool |
| BP | Blueprint | General term for the game's megastructures |
| BP | Bicycle Path | NEXL - Bicycle Paths |
| CJ | City Journal | A text to introduce your city |
| CXS | Cities XS | German Cities XL Fansite [1] |
| Dev | Developer | Developer |
| FAQ | Frequently asked questions | FAQ |
| GC | Generation City | (I certainly misspelled it) A French fansite [2] |
| HW | Highway | A big street |
| HW | Hyperwolf | Founder of XL Nation (XLN) |
| HXL | Harbor XL | Mod for custom harbours, HXL |
| NEXL | Network Expansion XL | Very popular transportation mod, Network Expansion XL (NEXL) |
| Mod | Modification | An add-on or modification of the game Cities XL Modding |
| OWP | Over water plaza | Popular mod, OWP |
| PO | Planet Offer | Former Cities XL Multiplayer mod, Planet Offer |
| PP | Pedestrian Path | NEXL - Pedestrian Paths |
| Q&A | Questions&Answers | Questions from the community answered by developers (never happens) |
| RHW | Real Highway Mod | RHW |
| RHW | Rural Highway Mod | A former SC4 mod similar to Real Highway Mod |
| SC 4 | Sim City 4 | City building game |
| SC 4 RH | Sim City 4 Rush Hour | Add-On to SC4 |
| ST | Simtropolis | SC 4 and CXL Fansite |
| SP | Singleplayer | Game mode for only one player |
| XLN | XL Nation | Biggest Cities XL Fansite |
| XLEX | XL Exchange | Modding database on XLN |