# Glossary

This glossary provides definitions for key terms and concepts used throughout the LIME Toolbox documentation.

```{eval-rst}
.. tabularcolumns:: |p{2.5cm}|p{8cm}|p{3cm}|
```
| **Abbreviation** | **Stands for** | **Notes** |
|------------------|----------------|-----------|
| **ASD** | Analytical Spectral Devices - Instrument manufacturer | Also refers to the instrument itself |
| **Cimel** | (Not an abbreviation) Instrument manufacturer | Also refers to the instrument itself |
| **CSV** | Comma-Separated Values | |
| **CLI** | Command Line Interface | |
| **EO** | Earth Observation | |
| **EO-CFI** | Earth Observation CFI Software | |
| **ESA** | European Space Agency | Project client |
| **FOV** | Field of View | |
| **FR** | Functional Requirement | |
| **GIRO** | GSICS Implementation of the ROLO Model | |
| **GLOD** | GSICS Lunar Observation Dataset | |
| **GSICS** | Global Space Based Inter-calibration System | |
| **GUI** | Graphical User Interface | |
| **KO** | Kick-off meeting | |
| **LGLOD** | LIME-GLOD | Former term, now deprecated |
| **LIME** | Lunar Irradiance Model of ESA | |
| **MARD** | Mean Absolute Relative Difference | |
| **MPD** | Mean Percentage Difference | |
| **MRD** | Mean Relative Difference | |
| **NFR** | Non-Functional Requirement | |
| **NPL** | National Physical Laboratory | Project partner |
| **OSF** | Orbit Scenario File | |
| **ROLO** | RObotic Lunar Observatory | |
| **SoW** | Statement of Work | |
| **SRF** | Spectral Response Function | |
| **TBX** | Toolbox | |
| **TLE** | Three-Line Element Set | Also known as 3LE |
| **TOA** | Top of Atmosphere | |
| **UVa** | University of Valladolid | Project partner |
| **VITO** | Vlaamse Instelling voor Technologisch Onderzoek; Flemish Institute for Technological Research | Project partner |