ISO/IEC 19500-3:2012 defines

• the syntax and semantics of a component model, based on CORBA IDL, and a corresponding meta-model,
• a language to describe the structure and state of component implementations, and a corresponding meta-model,
• a programming model for constructing component implementations,
• a runtime environment for component implementations,
• interaction between components and Enterprise Java Beans,
• meta-data for describing component-based applications, and interfaces for their deployment, and
• a lightweight subset of the component model, programming model and runtime environment.