This table can be placed in a building and building on a planet. Scalability allows worlds of arbitrary size to be created. You can be able to see a galaxy, zoom in on one planet, then a city, a statue and a bird sitting on head of this statue. This is difficult due to limits in the precision of computer hardware. Extensibility allows author to extend the capability of the language for special purposes.
Author can create some new geometric object or multiusers worlds.
Basic VRML Objects 2. Nodes Nodes in VRML are some function units. Nodes contain a list of fields, which holds values that define parameters for its function. Some words in example are in bold. I put them to bold, because they can be actually typed to the VRML file.