To create topics

Related feature classes are combined into a collection called topics.

1. Right-click the Topic node and click Create.
2. Specify a name for the topic.
3. Enter a caption.

   The caption is displayed in the various industry model explorers. Maximum 255 characters.

4. Right-click the topic item to process in the Data Model Explorer and select a command, as shown in the following table:

   Create Topic	Creates a new topic (sub level).
   Create Feature Class	Creates a new feature class in the current topic.
   Edit Feature Classes	Sets shared properties for all feature classes of the current topic. These properties can also be set individually, either when you create or when you edit the feature class. See also Data Model: Feature Classes.
   Rename Topic	Renames the topic, changing the caption.
   Empty Topic	Clears the topic from all features, emptying all feature classes in the current topic (TRUNCATE); Oracle feature class tables are maintained.
   Drop Topic	Drops all feature classes and features in the current topic. All Oracle feature class tables are deleted (DROP).
   Update Label Texts	Updates all label texts of the label feature class in the current topic. See also Label Commands.
   Job Enabled	A hook indicates that the selected topic is job-enabled. See also Setting Up Jobs.