id,mappings,description
alt_description,,an attributed description
annotatable,,mixin for classes that support annotations
annotation,,a tag/value pair with the semantics of OWL Annotation
class_definition,,the definition of a class or interface
common_metadata,,Generic metadata shared across definitions
definition,,base class for definitions
element,,a named element in the model
enum_definition,,List of values that constrain the range of a slot
example,,usage example and description
extensible,,mixin for classes that support extension
extension,,a tag/value pair used to add non-model information to an entry
local_name,,an attributed label
permissible_value,,"a permissible value, accompanied by intended text and an optional mapping to a concept URI"
prefix,,prefix URI tuple
schema_definition,,"a collection of subset, type, slot and class definitions"
slot_definition,,the definition of a property or a slot
subset_definition,,the name and description of a subset
type_definition,,A data type definition.
unique_key,,a collection of slots whose values uniquely identify an instance of a class

