| [CCRS] | Compound coordinate reference system |
| CRS | Coordinate reference system |
| ISO | International Organization for Standardization |
| OGC | Open GIS Consortium |
| [SI] | Le Système International d'Unités |
| UML | Unified Modeling Language |
| XML | eXtensible Markup Language |
| 1D | One Dimensional |
| 2D | Two Dimensional |
| 3D | Three Dimensional |
Package Abbreviations
The following are package abbreviations from on OGC UML model:
| CC | Change Coordinates |
| CD | Coordinate datum |
| CI | Citation |
| CS | Coordinate System |
| DQ | Data quality |
| RS | Reference System |
| SC | Spatial referencing by Coordinates |