Definition of controls:
(v) :
(transitive) To exercise influence over; to suggest or dictate the behavior of.
(v) :
(transitive) To hold in check, to curb, to restrain.
(n) :
(countable, uncountable) An influence or authority over something.
(n) :
Restraint or ability to contain one's movements or emotions, or self-control.
(n) :
The method and means of governing the performance of any apparatus, machine or system, such as a lever, handle or button.
(n) :
A security mechanism, policy, or procedure that can counter system attack, reduce risks, and resolve vulnerabilities; a safeguard or countermeasure.