a conceptual data structure expressed by an input VRML file

a data structure that holds nodes to different objects in a scene

a heirarchial description of the objects and operations in the VRML model

an m-ary tree , a tree with any node possessing any number of children, in which any particular node will inherit and amalgamate the transformations and render states, or other such states of the parent

a set of nodes, which can have children

a tree of nodes representing graphical objects, graphical properties, materials, transformations, cameras, lights, and so on

a "tree" structure that contains data arranged in a hierarchical manner

a tree where the nodes are objects in a scene arranged in some sort of hirearchy

ordered collection of nodes as used in Java 3D or VRML

An ordered collection of grouping nodes and leaf nodes. Grouping nodes, such as Transform, LOD, and Switch nodes, can have child nodes. These children can be other grouping nodes or leaf nodes, such as shapes, browser information nodes, lights, viewpoints, and sounds.

A hierarchy of nodes