The operational means by which data is recorded. A system can be paper-based or computerised.

Physically connected generation, transmission, and distribution facilities operated as an integrated unit under one central management, or operating supervision.

Physically connected generation, transmission, and distribution facilities operating as a single unit.

The physically connected generation, transmission, distribution, and other facilities operated as an integral unit under one control, management, or operating supervision.

The communications transmission system operated by a telecommunications service provider in the municipality or region.

The term used to specify the location on the host operating system of the reference that follows.

The pipeline system operated by the pipeline company for the conveyance of gas

The OS (Operating System) of your machine; contained in the System Folder of your hard disk

A complete integrated series consisting of various components and perhaps multiple water treatment processes which can be tested, installed, and operated as a singular unit of equipment.