# Base Classes

- [SimObject](/for-designers/base-classes/simobject.md)
- [SimGroup](/for-designers/base-classes/simgroup.md)
- [SceneObject](/for-designers/base-classes/sceneobject.md)
- [Scene](/for-designers/base-classes/scene.md)
- [Datablocks](/for-designers/base-classes/datablocks.md)