The elements of a concrete aggregate physical process derived from the core process model. SensorML is an OGC Standard. Copyright (c) 2019 Open Geospatial Consortium. To obtain additional rights of use, visit http://www.opengeospatial.org/legal/ . A PhysicalSystem is an aggregate system that can include multiple components (both physical and non-physical) with explicit links between the outputs, inputs, and parameters of the individual components. In a PhysicalSystem, the spatial position of the System itself is relevant to its application. The collection of processes that make up a process aggregation. The explicit definition of data links between outputs, inputs, and parameters of the components within an aggregate process.