An association establishes the relation between a service and resource on the one hand and a Physical Entityon the other hand.

An association establishes the relation between a service and resource on the one hand and a Physical Entityon the other hand.

An address is used for locating and accessing – “talking to” – a Device, aResource, or a Service. In some cases, the ID and the Address can be the same, but conceptually they are different.

The composition of a Physical Entity together with its Virtual Entity.

Goal or behaviour of a system involving Things serving a particular business purpose. Business Logic can define the behaviour of a single Thing, a group of Things, or a complete business process.

Anything that has the capability to affect a Physical Entity, like changing its state or moving it.

Technical physical component (hardware) with communication capabilities to other IT systems. A device can be either attached to or embedded inside a Physical Entity, or monitor a Physical Entity in its vicinity.

Any computational or data element of an IT-based system.

Discovery is a service to find unknown resources/entities/services based on a rough specification of the desired result. It may be utilized by a human or anotherservice. Credentials for authorization are considered when executing the discovery.

A Gateway is a forwarding element, enabling various local networks to be connected.