The category of subjects. Arts is the relation categorizationType . Content Examples include this web page or the home page for Apple Computer. Subtypes include Web Pages, Databases, etc. Organization Examples include Apple Computer, United States and the Peace Corps.
Organizations are mutually disjoint with people.
The category of people. AgentCategory A supertype of both PersonCategory and OrganizationCategory. NaturalLanguage Examples include English, French, etc. ContentGenre subtypes include Poem, PersonalHomePage, CorporateHomePage, Thesis. Note that each of these is a category.