UniverseGroup description

Contains a group of Universes, which may describe an ordered or hierarchical relationship structure. Specifies the purpose of the group, a name, label, and description of the group, its relationship to a specific universe, population, or concept, and lists the members of the group. Use primarily for organizational and management purposes. If structuring nesting of Universes to represent a hierarchical set of universes use the SubUniverseClass found in Universe.