Data Model
Objects that can contain embedded/other objects. Embedded objects are uniquely identified by qualifiers (also called logical keys).
Links to other objects are possible.
Explore the data model via HTML Browser
http://localhost:1501/rest/V1.0/meta/
Qualifier and fields have types
See REST Datatypes
Note that references to other objects use a special syntax.
Qualifier and fields can contain enumerations and proposal enumerations
Example for qualifier with enumeration
http://localhost:1501/rest/V1.0/meta/Article/ArticleLang/ArticleLangType.LK.Language
Example for values of an enumeration (link is included in qualifier)