## Glossary

This document provides definitions for the various technical terms and concepts used in Eclipse EEF.

For concepts which concern end-users, it assumes some basic knownledge of the Eclipse terminology. If you are not familiar with it, please refer to the Eclipse documentation itself. For concepts targeted to specifier and developers, it also assumes knowledge of the Eclipse Modeling Framework (EMF) and other relegated technologies like Java for developers.

### AQL

The Acceleo Query Language (AQL) is the most powerful interpreter available in Eclipse Sirius to build your Sirius-based designers. It can easily be used in EEF to build your user interface in a similar fashion.

### EMF

The Eclipse Modeling Framework (EMF) is a core component of EEF, AQL and Sirius. It allows users to define the concept of their domain and manipulate them. The Eclipse Modeling community contains dozens of projects based on this framework.

### Meta-model

The meta-model can be viewed as the set of all the concepts of a domain grouped in a namespace.

### Properties View

The Properties View in Eclipse is the part of the user interface showing the properties of the currently selected element. It can be opened using the menu Window, Show View, Others..., General and then select the Properties view.