controller

As nouns the difference between moderator and controller

is that moderator is moderator (mediator, chairman, web forum administrator) while controller is one who controls something.

As a noun controller

is one who controls something.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between button and controller

is that button is a knob or disc that is passed through a loop or (buttonhole), serving as a fastener while controller is one who controls something.

As a verb button

is to fasten with a button.

As a proper noun Button

is {{surname|lang=en}.

As an initialism cfo

is chief financial officer.

As a noun controller is

one who controls something.

Arbiter is a synonym of controller.

As nouns the difference between arbiter and controller

is that arbiter is a person appointed, or chosen, by parties to determine a controversy between them; an arbitrator while controller is one who controls something.

As a verb arbiter

is to act as arbiter.

In business|lang=en terms the difference between controller and pmo

is that controller is (business) a person who audits, and manages the financial affairs of a company or government; a comptroller while pmo is (business).

As nouns the difference between controller and pmo

is that controller is one who controls something while pmo is (medicine).

Referee is a related term of controller.

As a verb referee

is .

As a noun controller is

one who controls something.