Oracle Trading Community Architecture is the foundation not only for the Oracle E-Business Suite, but also specifically for the product family that it belongs to: Oracle Customer Data Management (CDM). CDM includes:
Oracle Customers Online (OCO): Oracle Customers Online lets you view, create, maintain, and enrich your central repository of customer data.
See: Oracle Customers Online User Guide and Oracle Customers Online Implementation Guide.
Oracle Customer Data Librarian (CDL): Oracle Customer Data Librarian lets you establish and maintain an accurate, duplicate free, and complete customer database. This application includes all of the features from Oracle Customers Online.
See: Oracle Customer Data Librarian User Guide and Oracle Customer Data Librarian Implementation Guide.
Oracle Customer Data Hub (CDH): Oracle Customer Data Hub lets you centralize customer data from various source systems, providing an single view of your customers. The links between each source system and the Hub are operational and real-time. CDH includes all the TCA features, for example to maintain source systems, and cleanse and enrich data, and also includes Oracle Customers Online.
For reference material that supplements not only TCA but CDM product documentation, see Oracle Trading Community Architecture Reference Guide.