controller

B1 · Intermediate Countable noun

n. a person who manages or directs a particular system or process.

n. an individual responsible for the supervision and regulation of a specific operation or system.

“The air traffic controller guided the plane safely to the runway.”

“As the mission controller, she was responsible for every critical decision made during the satellite's orbital insertion.”

C1 · Advanced Countable noun Law Formal · Technical

n. the person in charge of managing a company's money and accounting.

n. the chief accounting officer of an organisation, responsible for financial reporting and auditing.

“The company controller noticed a mistake in the yearly budget report.”

“The corporate controller implemented new auditing procedures to ensure the subsidiary remained compliant with international tax regulations.”

B2 · Upper Intermediate Countable noun Computing Technical

n. a part of a computer or machine that manages how other parts work.

n. a hardware device or software module that manages or directs the flow of data between components.

“The computer needs a new hard drive controller to speed up data transfers.”

“In the model-view-controller architecture, the controller accepts input and converts it into commands for the model or view.”

C1 · Advanced Countable noun Technical

n. the person who gives orders to a secret agent working in the field.

n. the individual who supervises and handles communication with an intelligence agent during an operation.

“The spy sent a coded message back to his controller in London.”

“The agent began to suspect that his controller had been compromised by a double agent within the agency.”