-- card: 6803 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 3551 -- name: -- part contents for background part 3 ----- text ----- audio -- part contents for background part 4 ----- text ----- electronic signals that are meant to be converted into sound waves that range between 20 Hertz and 20,000 Hertz. -- part contents for background part 16 ----- text ----- 177 -- part contents for background part 20 ----- text ----- No Entry