·	Subtype Presentations

·	Example of Supertypes and Subtypes

·	Supertype and Subtype Window Layout

·	Manipulating Supertype and Subtype Records

·	Setting Defaults for Supertypes and Subtypes

·	How and When Subtype Indicators are Displayed

·	Constraints on Supertypes and Subtypes

·	Authorization on Supertypes and Subtypes