USECS from http://semanticwww.com/

THE WORLD: Nature, Structure and Meaning
THE WORLD: the Absolute Resource
http://www.standardontology.org/World owl:sameAs http://www.standardontology.org/Existence owl:sameAs http://www.standardontology.org/Universe owl:sameAs http://www.standardontology.org/Resource

The World, the totality of all possible worlds; the universal class of everything; the class of all classes of all individuals; all things, things of every class, type and kind, the totality of things; the aggregation of all entities and relationships; the absolute resource; everything that exists, changes and interrelates; the causal unity of entities:

UNIVERSE http://www.standardontology.org/Universe
EXISTENCE http://www.standardontology.org/Existence
THE WORLD http://www.standardontology.org/World
COSMOS http://www.standardontology.org/Cosmos
MACROCOSM http://www.standardontology.org/Macrocosm
CREATION http://www.standardontology.org/Creation
RESOURCE http://www.standardontology.org/Resource

THE WORLD (THE UNIVERSE OF ENTITIES AND RELATIONSHIPS); http://www.standardontology.com/World

THE REALM OF NATURE (THE PHYSICAL UNIVERSE OF MATERIAL ENTITIES AND RELATIONSHIPS); http://www.standardontology.org/World/Reality/Entity/Nature

THE REALM OF MIND (THE MENTAL WORLD OF MENTAL ENTITIES AND RELATIONSHIPS); http://www.standardontology.org/World/Reality/Entity/Nature/Mind

THE REALM OF HUMAN SOCIETY AND CULTURE (THE SOCIAL WORLD OF SOCIAL ENTITIES AND RELATIONSHIPS) http://www.standardontology.org/World/Reality/Entity/Nature/Mind/Society

THE REALM OF TECHNOLOGY (THE ENGINEERING WORLD OF TECHNOLOGICAL ENTITIES AND RELATIONSHIPS); http://www.standardontology.org/World/Reality/Entity/Nature/Mind/Society...

THE REALM OF INTELLIGENT AGENTS, KNOWLEDGE TECHNOLOGY AND SEMANTIC SYSTEMS; http://www.standardontology.org/World/Reality/Entity/Nature/Mind/Society/Technology/IntelligentSystems>

THE INTELLIGENT CYBERSPACE (THE KNOWLEDGE WORLD OF INTELLIGENT ENTITIES AND RELATIONSHIPS);
http://www.standardontology.org/World/Reality/Entity/Nature/Mind/Society...
>…

THE WORLD hierarchy (The Great Chain of Being, Scala Natura, the Order of the Universe):

THE ONTOLOGICAL WORLD, REALITY, the world of Being (ENTITY), Infinity (SPACE) and Eternity (TIME)

THE PHYSICAL WORLD, the material realm of natural realities and relationships;

THE MENTAL UNIVERSE, the psychological realm of mental entities and relations;

THE SOCIAL REALITY, the social reality of cultural forms and processes and relationships;

THE TECHNOLOGICAL REALITY, the engineering world of technical systems and processes;

THE KNOWLEDGE SOCIETY WORLD, the universe of knowledge societies, intelligent systems, and ontological technologies