- Asset - Base object for all nonutility classes.
- Behavior - Represents a script behavior that can be attached to objects.
- Image - Image used as a texture map for a Material.
- Material - The surface material for a model.
- Music - Song or music clip.
- Node - Inheritance class specifying common functionality for various objects.
- Camera - Represents a camera rendering a layer.
- Group - A grouping of nodes in the scene.
- Layer - Represents a layer in the scene.
- Light - Represents a light in the scene.
- Model - A visual object in the scene.
- Sound - A sound effect.
- Video - Video file for use in a Layer or Material.
- Collection - A collection of items, accessible by index or name.
- Color - An RGBA color.
- Container - Holds information about the application showing the presentation.
- Key - Holds information about key presses.
- Matrix - A 4x4 matrix.
- Mouse - Holds information related to the mouse.
- Player - Holds information about the playback environment.
- Presentation - Represents the presentation.
- Rotation - Specifies rotation direction.
- Scene - Root object representing the scene.
- TimeContext - Time context for objects in the scene or component.
- Vector - X/Y/Z location.
- Window - Holds information about the size of the presentation.