Containers are Trainz term for complex data structures containing more than one elemental type of data but data groups which might be used in more than one of Trainz Kinds, in and of themselves a 'container', but of a more unique type. In one sense, Trainz assets are nothing but a collection of data organized by proper enumerated codes and these containers, including the parent-classed containers known as Kinds define the interrelationship and configuration of an asset. The container is but one element in an assets self-definition as initialized by the asset creator.
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