Conceptional System Model

A physical actor or software object of a specific type that can hold Data and might have a State.

The state of an Activity or Entity that might be represented by Data.

A physical device on which software is executed that can be connected with other nodes over Connections.

A physical connection between Nodes over which information can be communicated (Information Flow). Thereby, the connection is not limited to connections between nodes but might also be an internal connection within a node such as a local socket.

An action that is executed by a specific Entity that can process Data and communicate with other Activities. Activities can be realized as well by manual actions of actors in a system such as the user, be described in behavioral models, or implemented in functions at the source code level.

A collection of values that convey information.

A part of a software that potentially comprises one or multiple Entities and can be deployed individually on a Node.

The orchestration of Activities in terms of the execution of one Activity leading to the execution of another Activity.

The communication of Data between Activities or Entities either over an Connection or internally within a program.