Concept	Documentation
Logical Element	Describes a conceptual Logical Element as specification for an implementation of a system, or system element.
Logical Element Role	Specifies the fact that a logical element comprises logical elements.
Logical Interaction Scenario	Ordered sequence of exchanges of information, energy, or material between Logical Interaction Scenario Participants.
Logical Scenario Participation	Specifies the fact that a Logical Element Role participates in a Logical Interaction Scenario.
Logical Chronological Message	Ordered sequential occurrence of exchanges between Logical Interaction Scenario Participants.
LIScontainingILCM	Specifies the fact that an Internal Logical Interaction Scenario contains one or more Internal Logical Chronological Messages.