control implies a regulating or restraining in order to keep within bounds or on a course. direct implies constant guiding and regulating so as to achieve smooth operation. power, authority, jurisdiction, …

The Chicago-based holding company controls a global network of advertising and public relations agencies. Within five years the tech firm controlled 60% of the European market.

To control is to dominate or command something or someone, as in Tomas showed excellent control of his hand several weeks after his surgery. As a noun, control can refer to the act of controlling, as in I …

To have control is to have the power to run something in an orderly way. A skillful teacher maintains control over students who might otherwise waste time or be disruptive.

control of somebody/something The party expects to gain control of the council in the next election. Militants have taken control of the town. The Democrats have lost control of Congress. A military …

A control is a device such as a switch or lever which you use in order to operate a machine or other piece of equipment. I practiced operating the controls.

If you are at the controls, you are controlling a vehicle. The copilot was at the controls when the plane landed. The effects of the drug were clear when the test group was compared with the control group. …

The Chicago-based holding company controls a global network of advertising and public relations agencies. Within five years the tech firm controlled 60% of the European market.

(Definition of controls from the Cambridge Academic Content Dictionary © Cambridge University Press)

From access control, intrusion detection, from video surveillance to weapons detection and emerging technologies. The intelligence you need to create safer, smarter building environments. From …