Glossary of Terms:
 
driver
1) A type of software for PC computer cards and peripheral devices, that has been created specifically to allow the computer and card/device to interface with each other.
2) A loudspeaker, most often a loudspeaker that is coupled with an acoustic horn.
Source: Yamaha

Related terms:
  CBX driver   To Host port   extension   loudspeaker   serial port   serial port driver