The term 'CURRENT DIRECTOR' can be broken down into two crossword solutions: FLUE (4 letters) and DIODE (5 letters). A FLUE is a duct, pipe, or opening in a chimney for conveying smoke and combustion gases to the outside air. A DIODE is an electronic component that allows current to flow in one direction only. Therefore, the term 'CURRENT DIRECTOR' can be interpreted as a device that directs the flow of current in one direction.