<Models> Used in the World
In practice, <Models> tend to appear in one of 2 flavors
- those that appear only in the <Model Library>, because they represent things that usually won’t be chained down to a single physical location by the end user; e.g., vehicles, people, and
- those that represent relatively stationary things; e.g., trees, bridges, buildings, for which a number of copies are desired in the environment.
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We will introduce a second <Model> example, more suitable to being instanced within an <Environment Root>.