Basic Elements
Structure and Content
<ncl>
<head>
<body>
<context>
<media>
Interfaces
<area>
<property>
<port>
Linking
<link>
<linkParam>
<bind>
<bindParam>
Connectors
<connectorBase>
<causalConnector>
<compoundCondition>
<simpleCondition>
<compoundAction>
<simpleAction>
<compoundStatement>
<assessmentStatement>
<attributeAssessment>
<valueAssessment>
<connectorParam>
Meta-data
<meta>
<metadata>
Complementary Elements
Switches and Rules
<switch>
<switchPort>
<mapping>
<defaultComponent>
<descriptorSwitch>
<defaultDescriptor>
<bindRule>
<ruleBase>
<compositeRule>
<rule>
Appearance and Layout
<descriptorBase>
<descriptor>
<descriptorParam>
<regionBase>
<region>
Transition Effects
<transitionBase>
<transition>
Importation
<importBase>
<importedDocumentBase>
<importNCL>