Concept	Documentation
System Of Interest	An abstract element representing a SOI. Base class for specific kinds of SOIs.
Logical Context Element	Represents an abstract element in the given System Context on Logical Level, outside the SOI scope, interacting with the SOI.
Logical External System	A Logical External System in the Logical Domain, outside the SOI scope, interacting with the SOI. E.g., power grid, mobile network, fresh water system (in a house).
Logical System Context	Specifies the fact that a System Context for a System of Interest is defined on Logical Level.
Physical Environment	The Physical Environment in the Physical Domain, outside the SOI scope, interacting with the SOI. E.g. air, dirt, sun, road.
Logical Context SOI	Represents the Logical SOI in the System Context on Logical Level.
Physical SOI	Represents the Physical SOI on Physical Level.
Physical Context Element	Abstract element of a System Context on Physical Level, outside the SOI scope, interacting with the SOI.
Physical External System	The Physical External System in the Physical Domain, outside the SOI scope, interacting with the SOI. E.g. power grid, mobile network, fresh water system (in a house).
Operational Interaction Scenario	Ordered sequence of exchanges of information, energy, or material between Operational Interaction Scenario Participants.
OIScontainingOCM	Specifies the fact that an Operational Interaction Scenario contains one or more Operational Chronological Messages.
System Domain Kind	Specification for any kind of conceptual item (energy, material, information, etc.) to be exchanged on Functional or Logical Level. The System Domain Kind is agnostic to any realization on Physical Level.
Operational Chronological Message	Ordered sequential occurrence of exchanges between Operational Interaction Scenario Participants.
Operational Scenario Participation	Specifies the fact that an Operational Context Role participates in an Operational Interaction Scenario.
Operational Context	An Operational Context is representing a separate Usage Scenario with a specific configuration of Operational Performers, these are interacting in the Scenario exhibiting a specific identified Operational Capability. One or more Operational Contexts meaningful for the Operational Domain are to be identified. Aliases: UAF::HighLevelOperationalConcept
LCNallowingLIE	Specifies the fact that a Logical Item Exchange is allowed on the Logical Connection.
SDKtypingLIE	Specifies the fact that a System Domain Kind defines the type of a Logical Item Exchange.
SDKtypingLIPP	Specifies the fact that a System Domain Kind defines the type of a Logical Interaction Point Property.
System Function	Specifies the fundamental action or task that have to take place in the System in accepting and processing the inputs and in processing and generating the outputs. A System Function * accepts input from the System boundary * exposes its output at the System boundary * changes the System's State * is dependent on System's State Note: A System Function does not need to expose observable output, when it changes the System's state in a way that is observable by other system functions. Furthermore, a System Function does not need to accept any input from the system boundary, when it is dependent on the System State, which in turn is changeable by other System Functions.
General Functional Usage	Specifies a General Usage of a General Function within one or more other General Functions.
Physical Interaction Point Property	Specifies a detail of an interaction point on Physical Level.
LIPapplyingToLET	Specifies the fact that a Logical Interaction Point applies to a Logical Element.
Software Element	Pure Software Elements. Similarity with the V-Model "software unit".
LIPDdefiningDetailOfLIP	Specifies the fact that a Logical Interaction Point Definition defines the exchange capabilities of a Logical Interaction Point.
PIPPspecifyingDetailOfPIPD	Specifies the fact that a Physical Interaction Point Property is a detail of a Physical Interaction Point Definition.
PIPDdefiningDetailOfPIP	Specifies the fact that a Physical Interaction Point Definition defines the exchange capabilities of a Physical Interaction Point.
Physical Exchange Kind	Specification for any kind of physical item (energy, material, information, etc.) to be exchanged on Physical Level. This is the realization of the specification made by System Domain Kinds.
PEKtypingPIE	Specifies the fact that a Physical Exchange Kind defines the type of a Physical Item Exchange.
Logical Interaction Point	Specifies the existence of an interaction point on Logical Level.
PEKtypingPIPP	Specifies the fact that a Physical Exchange Kind defines the type of a Physical Interaction Point Property.
Physical Connection	Specifies the connection of two physical interaction points. Note: Connections between physical components indicate that item flows are passed from one output of a source component to one or more inputs of target components.
Logical Item Exchange	Specifies the exchange that is to take place on a connection of two interaction points on Logical Level.
PIPapplyingToPCE	Specifies the fact that a Physical Interaction Point applies to a Physical Context Element.
PCNallowingPIE	Specifies the fact that a Physical Item Exchange is allowed on the Physical Connection.
LIPPspecifyingDetailOfLIPD	Specifies the fact that a Logical Interaction Point Property is a detail of a Logical Interaction Point Definition.
Physical Element	A composition of Hardware and Software Elements. Similarity with the V-Model segments and system. See [VXT].
PIPapplyingToAPE	Specifies the fact that a Physical Interaction Point applies to an Abstract Physical Element.
Physical Interaction Point	Specifies the existence of an interaction point on Physical Level.
Hardware Element	Pure Hardware Elements. Similarity with the V-Model "hardware unit".
Logical Element	Describes a conceptual Logical Element as specification for an implementation of a system, or system element.
LIPapplyingToLCE	Specifies the fact that a Logical Interaction Point applies to a Logical Context Element.
Logical Interaction Point Definition	Specifies the exchange capabilities of an interaction point on Logical Level.
Physical Item Exchange	Specifies the exchange that is to take place on a Physical Connection.
Abstract Physical Element	Abstract element representing physical structure items keeping properties and relations applicable to all physical items.
Physical Interaction Point Definition	Specifies the exchange capabilities of an interaction point on Physical Level.
Logical Interaction Point Property	Specifies a detail of an interaction point on Logical Level.
Logical Connection	Specifies the connection of two interaction points on Logical Level. Note: Connections between logical components indicate that item flows are passed from one output of a source component to one or more inputs of target components.
Logical Element Role	Specifies the fact that a logical element comprises logical elements.
Logical Environment	A Logical Environment in the Logical Domain, outside the SOI scope, interacting with the SOI. E.g., air, dirt, sun, road.
Operational Performer	An Operational Performer is an element of the Operational Context that is capable to perform Operational Process Activities contributing to a specific identified Operational Capability. An Operational Performer may be any kind of organization, person, or even a system playing a role in one or more Operational Contexts. Aliases: UAF::OperationalPerformer
Operational Context Role	An Operational Context Role represents a participant in an Operational context. It is interacting with other roles of the given Operational Context. Specific characteristics and features or, in case of persons or organizational units, knowledge and skills are assigned to a role necessary for the execution of the performed Operational Processes.
General Context	Specifies a General Context.
General Context Element	Specifies a General Context Element.
General Context Element Role	Specifies the fact that a General Context Element exists in a given General Context.
Logical User	The Logical User is the representation for a human in the Logical Domain, outside the SOI scope, interacting with the SOI.
Logical Context Element Role	Specifies the fact that a Logical Context Element exists in a given Logical System Context.
Logical SOI Role	Specifies the fact that a Logical Context SOI exists in a given Logical System Context.
Physical User	The Physical User is the representation for a human in the physical domain, outside the SOI scope, interacting with the SOI.
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.
General Interaction Scenario	Ordered sequence of exchanges of information, energy, or material between General Interaction Scenario Participants.
General Scenario Participation	Specifies the fact that a System Role participates in a General Interaction Scenario.
General Chronological Message	Ordered sequential occurrence of exchanges between General Interaction Scenario Participants.
System Context Role	General role of a Logical System Context.
System Context Interaction Scenario	Ordered sequence of exchanges of information, energy, or material between System Context Interaction Scenario Participants.
System Context Scenario Participation	Specifies the fact that a System Context Role participates in a System Context Interaction Scenario.
System Context Chronological Message	Ordered sequential occurrence of exchanges between System Context Interaction Scenario Participants.
Operational Connection	Specifies the connection between Operational Context Roles in an Operational Context allowing Operational Item Exchange. Aliases: UAF::OperationalConnector
Operational Item Exchange	Specifies the Operational Item Exchange that is to take place on an Operational Connection. Aliases: UAF::OperationalExchange
OCNallowingOIE	Specifies the fact that an Operational Item Exchange is allowed on the Operational Connection.
Operational Domain Kind	Specifies the kind of Operational Item Exchange between Operational Context Roles or Operational Processes.
ODKtypifyingOIE	Specifies the fact that an Operational Domain Kind typifies an Operational Item Exchange.
SCIScontainingLCM	Specifies the fact that a System Context Interaction Scenario contains one or more System Context Chronological Messages.
LIScontainingILCM	Specifies the fact that an Internal Logical Interaction Scenario contains one or more Internal Logical Chronological Messages.
System Partial Function	Specifies the fact that a System Partial Function is a decomposed part of a System Function and defines details of the System Function it belongs to.
Context Function	Specifies the fact that a fundamental action or task is expected to be carried out by an External Entity. Note: The intention is to capture the expectations and to explicitly dissect the functionality. This must not be interpreted as an attempt for a behavior specification of an External Entity. Capturing this valuable information is the basis to reach agreement on the functionality at the System boundary by clarifying the expectations about what is performed by Context Elements.
General Function	Specifies a General Function. It is used as base Class for specific System or Context Functions, or Partial Functions.
Physical Connector Compatibility	Specifies the fact that two Physical Interaction Point Definitions are compatible and how the Physical Interaction Point Properties are mapped.
PCCapplyingToPCN	Specifies the fact that a Physical Connector Compatibility Assertion shall apply to a Physical Connection.
PCCassertsCompatibiltyForPCPD	Specifies the Physical Interaction Point Definition the Physical Compatibility Assertion is valid for.
PCPOverPCP	Specifies the fact that a physical interaction point communicates / transfers / flows / over an other physical interaction point. Used to define layered physical interfaces, and show layer relationships between interfaces.
PCPPOverPCPP	Specifies the fact that a physical interaction point property communicates / transfers / flows / over an other physical interaction point property. Used to define layered physical interfaces, and show layer relationships between interface details.
PCPisPartOfPIPD	specifies that a physical interaction point can be a part of a physical interaction point definition. This fosters reuse and allows structuring of definitions.
System	An abstract element representing a System.
System Role	Specifies, that a system is part of a system.
SMhavingGF	Specifies, that a system has general functions.
Interaction Point	Specifies the existence of an interaction point.
Interaction Point Definition	Specifies the exchange capabilities of an interaction point on Physical Level.
Exchange Kind	Specification for a general kind of item (energy, material, information, etc.) to be exchanged.
Interaction Point Property	Specifies a detail of an interaction point.
IPDtypingIP	Specifies the fact that an Interaction Point Definition defines the exchange capabilities of an Interaction Point.
IPPisDetailOfIPD	Specifies the fact that an Interaction Point Property is a detail of an Interaction Point Definition.
EKtypingIPP	Specifies the fact that a Exchange Kind defines the type of a Interaction Point Property.
Exchange	Specification for general item exchange (energy, material, information, etc.).
EKtypingE	Specifies the fact that a Exchange Kind defines the type of a Exchange.
Connection	Specifies the connection of two interaction points.
CallowingE	Specifies the fact that a connection allows Exchange to happen
SMhavingIP	Specifies the fact that a System has one or more Interaction Points.