The information object that describes something
is described by
Amount of matter
physical object (rigid or non-rigid) that is (or can be) tangible and visible in reality, man-made or naturally occurring
Real object
The (unstructured) requirement for something
has requirement
An entity that does not yet exist in physical reality, but which exists in mental or conceptual reality
Planned entity
A real object that consists of a continuous amount of non-rigid matter, held together primarily by external forces (gravity or confinement)
Amount of bulk matter
The activity executed by a physical object
executes
The most generic concept
Top concept
Matter in an intermediate state between liquid and plasma that can be contained only if it is fully surrounded by a solid (or in a bubble of liquid) (or held together by gravitational pull); it can condense into a liquid, or can (rarely) become a solid directly by deposition
Gas
The combination of two or more different pure substances without the molecules losing their identity
Mixture
The interaction a physical object participates in
participates in
A temporal interval or instant
Temporal entity
The technical entity that implements a functional entity
is implemented by
The state of an entity in a certain point or period of time
has state
An entity involving the external behavior where the output contributes to stakeholder objectives implemented/played by one or more technical entities
Functional entity
A mixture that is uniform throughout, and has only one phase
Homogeneous mixture
The objectification of a value of a quality having a complex value like a simple value sec combined with other metadata or just a combination of simple values
Quality value
The objectification of a value of a quantity (typically involving a quantity kind and a unit) having a complex value like a simple value sec combined with other metadata or just a combination of simple values
Quantity value
Temporal part of an entity during a period between two events. A state is characterized by the properties and relations of the entity
State
The matter a real object or mixture is made of
consists of
Concept that forms a manifestation and a demarcation in a concrete space-time, and which has a certain state at any moment in time. An entity has a unique identity that remains constant throughout its life cycle. The life cycle of an entity is made up of the sequence of states of that entity, which follow each other in time. An entity is an object or an activity. An object exists, an activity takes place
Entity
Chemical substance
A pure chemical substance, chemical compound or mixture from which real objects are made
Matter
An activity performed by an object whose external behavior contributes to goals set by one or more technical entities
Function
A particular quantity value that has been chosen as a scale for measuring other quantities the same kind
Unit
The type of thing being transferred, here: material, information, energy or force
Transfer type
The geometric entity representing the interior of a concrete concept
has interior
The event triggert by an entity
triggers
The movement of an amount of material
Material flow
A meta-concept which instances are concepts (not individuals)
Type
An objectified relation reference for the consists of relation
Matter portion
Physical quantity which, when exerted on a body, causes tension or pressure to arise therein, or which causes the body to change motion, accelerate
Force
The ports (as part of physical objects) connected by a connection or interface
connects port
A potentially realized entity according to this planned entity
is plan for
Pure substance consisting of two or more chemical elements that have a chemical bond with each other. In a chemical compound, the elements occur in a fixed ratio. A compound can be broken down into simpler substances by means of chemical reactions
Chemical compound
The relative portion of a matter portion
portion
The interface over which an interaction between physical objects takes place
over interface
The possession of a transfer type by an interaction
transfer type
One of the four fundamental states of matter being a solid, liquid, gas or plasma
Aggregation state type
A spatial object, typically a thin 2D physical space (but also 0D or 1D) that connects two physical objects or ports of physical objects through which a static or dynamic interaction or interaction between those elements can take place
Interface
A mixture that is separated into different regions or phases that have different compositions or properties
Heterogeneous mixture
The seriousness of a requirement like demanded or wished
Requirement severity type
Acronym or initial word as special case of a name
abbreviation
A rule that should hold for something, defined via its attributes or relations
Requirement
The hasPart relation of a functional nature
has functional part
The physical objects connected by a connection or interface
connects object
The state that is ended by an event
ends
Entity that takes place or can take place in a concrete space-time. An activity transforms objects, and is executed by an object
Activity
The connection over which an interaction between physical objects takes place
over connection
Entity that exists or can exist within a concrete space-time. An object executes an activity, and is transformed by an activity
Object
The possession of a source type by a requirement
requirement source type
Object which describes a thing in reality
Information object
The objectification of a reference for a relation having a complex value like a simple reference sec combined with other metadata or just a combination of simple references (n-ary relation)
Relation reference
Matter that can be picked up or held, having a texture, and usually firm. Unlike a liquid, gas or plasma
Solid
A physical object (real object or spatial area) that connects two other physical objects and over which interaction takes place, namely the transfer of matter, energy, information or forces
Connection
The state that is started by an event
begins
An attribute (quality or quantity) or relation represented as an individual defined by a concept
Objectification
The possession of an group of, potentially implicit, parts
has parts group
A meta-concept having concepts as instances having no further attributes or relations (annotations only)
Enumeration type
The possession of information about the chemical proportions of atoms that constitute a particular chemical compound
chemical formula
That which represents something else
Representation
A real object consisting of a contiguous amount of form-retaining matter, held together primarily by internal forces (gravity or electromagnetic force)
Discrete object
The object transformed by an activity
transforms
The activity being a combination of sub-activities performed by physical objects between which a transfer of matter, information, energy or force takes place, typically over a connection or interface (directly or through ports)
Interaction
The movement of an amount of energy (as capacity to do work)
Energy flow
A hasPart relation of a technical nature
has technical part
A physical or logical point of interaction as part of a physical object where, through a connection or interface, an interaction can take place
Port
The geometric entity representing the boundary of a concrete concept
has boundary
A physical object that encloses a particular area such as a room, roadway and river, that is bounded by real objects or other spatial areas (e.g., by usage or convention) and that contains primarily liquid or gaseous amount of matter
Spatial region
An entity that exists or has existed in the physical reality
Realized entity
The physical object that bounds a spatial region
is bound by
A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure
Liquid
The topological relationship between physical objects
is connected to
An entity concerned with technical properties and relations that implements or plays functional entities
Technical entity
The possession of an aggregation state type
aggregation state type
Object that exists or may exist within physical 4D space-time. A physical object forms a manifestation and a demarcation of matter and/or energy, and is (in)directly perceptible by the senses
Physical object
The type of source from which a requirement comes like a client, by definition, recommended by the sector or demanded by law/regulation
Requirement source type
Named concept, which forms an actual or virtual demarcation in a concrete (physical, three-dimensional) space, which we experience in reality
Geometric entity
A meta-concept having concepts as instances that can have attributes or relations
Concept type
The possession of a quantity kind
has quantity kind
Chemical matter that has an equal chemical composition and recognizable uniform and isotropic properties
Pure substance
Acronym or initial word as special case of an external name
The real objects located in a spatial region, typically the gaseous amount of bulk matter present in that region
contains
The possession of a topic type by a requirement
requirement topic type
The possession of a severity type by a requirement
requirement severity type
A decomposition (hasPart) relation between concrete concepts
has part
Concept that forms a manifestation and a demarcation in a concrete space-time. A concrete concept has a life cycle
Concrete concept
A phase in which the particles of a gaseous substance are ionised
Plasma
The realized entity that realizes a planned entity
is realized by
Pure substance that is made up of atoms with the same atomic number. A chemical element cannot be decomposed through chemical reactions
Chemical element
The possession of a unit
has unit
Transition between two successive states of an entity (object or activity). An event is triggered in a state
Event
The abstract temporal entity representing a concrete concept in time
has temporal entity
The entity aspect a requirement applies to
Requirement topic type
Concept that forms a manifestation and demarcation in an abstract space. An abstract concept has no life cycle
Abstract concept
A technical entity that is a potential solution for a functional entity
has solution
The movement of information represented in some medium
Information flow
Any observable property that can be measured and quantified numerically
Quantity kind
The topological relation between physical objects