JPEG Joint Photographic Experts Group. MIDI Musical Instrument Digital Interface - a standard for digital music representation. MIME Multipurpose Internet Mail Extension used to specify filetyping rules for browsers. Nodes are abstractions of various real-world objects and concepts. Examples include spheres, lights, and material descriptions.
Nodes contain fields, and events.
Messages are sent between nodes via routes. For example, Box, Group, Sound, and SpotLight. The definition of a new node type in terms of the nodes defined in this standard. RGB The VRML colour model. Each colour is represented as a combination of the three primary colours red, green, and blue.