It's - as opposed to tape where you have a magnetic tape that's excited by frequencies that you hit, digital was a process where musical sounds are transferred to numbers and stored as numbers.
“Southern women often marry a man knowing that he is the father of many little slaves. They do not trouble themselves about it.”
“So if I could just go back now to something which I am sure we should cover here regarding our original scenario: we have, in fact, four ways - four major potential lines of research.”