Controller and Monitoring

noun

• Someone who maintains and audits business accounts.
  • synonyms: accountant, comptroller
• A person who directs and restrains.
  • synonyms: restrainer
• A mechanism that controls the operation of a machine.
  • usage: "the speed controller on his turntable was not working properly"; "I turned the controls over to her"
  • synonyms: control

• (n.) An iron block, usually bolted to a ship's deck, for controlling the running out of a chain cable. The links of the cable tend to drop into hollows in the block, and thus hold fast until disengaged.
• (n.) One who or that which, controls or restraines; one who has power or authority to regulate or control; one who governs.
• (n.) An officer appointed to keep a counter register of accounts or to examine, rectify or verify accounts.
• (n.) A kind of multiple switch for gradually admitting the current to or shutting it off from, an electric motor; as, a car controller for an electric railway car.
• (n.) A lever controlling the speed of an engine; -- applied especially to the lever governing a throttle valve, as of a steam or gasoline engine, especially on an automobile.
• (n.) Any electric device for controlling a circuit or system;.
• (n.) An electromagnet, excited by the main current, for throwing a regulator magnet into or out of circuit in an automatic device for constant current regulation.

controller is the chief financial officer of a company, financial institution or other entity. The controller is responsible for supervising the operations of the accounting department and preparing its financial reports. Also spelled comptroller.

noun

• The act of observing something (and sometimes keeping a record of it. )
  • usage: "the monitoring of enemy communications plays an important role in war times"

verb

• Keep tabs on; keep an eye on; keep under surveillance.
  • usage: "we are monitoring the air quality"; "the police monitor the suspect's moves"
  • synonyms: monitor, supervise
• Check, track, or observe by means of a receiver.
  • synonyms: monitor

(DoD, NATO) The act of detecting the presence of radiation and the measurement thereof with radiation measuring instruments. Also called radiological monitoring.
(DoD, NATO) The act of listening, carrying out surveillance on, and/or recording of enemy emissions for intelligence purposes.
(DoD, NATO) The act of listening, carrying out surveillance on, and/or recording the emissions of one's own or allied forces for the purposes of maintaining and improving procedural standards and security, or for reference, as applicable.