| Abbreviation | Definition |
|---|---|
| GL | Ground Level |
| GLOD | Geometric Level Of Detail |
| GLP | General Layout Plan |
| GLT | Grande Luxe Tease |
| GLWN | Grass Lawn |
| GMA | Grid Monitoring Architecture |
| GMLDG | Garnish Molding |
| GMS | Graphical Modeling System |
| GNA | Global Names Architecture |
| GOCA | Graphics Object Content Architecture |
| GOTA | Global Open Trunking Architecture |
| GPDS | General Packet Data Server |
| GR | Grade Architectural |
| GRA | Global Reference Architecture |
| GRA | Gregory Ralph Architect |
| GRC | Glass Fiber Reinforced Cement |
| GRP | Green-Rating Project |
| GRPB | Green Remodeling Plan Book |
| GSbD | Great Schools by Design |
| GSF | Gross Square Footage |