Glossary.

A Merge in a process is a point where two or more alternative process flow paths are combined into one process flow path.

A Message, as specified and used within BPMN 2.0, is an Object that depicts the contents of a communication between two Participants.

A Message Flow is a connecting object that shows the flow of messages between two Participants.

Metadata refers to the data that is used to describe data and the characteristics of an entity.

A Metamodel consists of the frameworks, rules and constraints defined to underpin the creation of a model. In very simple terms, it is the model that underpins a model.

A Method is a defined and repeatable series of steps capable of achieving a specific purpose, solving a specific problem or acquire knowledge.