black box vs shuffle

black box

noun
  • A theoretical construct or device with known input and output characteristics but unknown method of operation. 

  • A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident. 

  • A device used in phreaking that prevents the calling party from being billed for the call placed. 

  • A type of theater characterized by a lack of decoration or complex mechanisms. 

  • Any similar device on motor vehicles, such as rail event recorders and ship trip recorders. 

verb
  • To focus on the inputs and outputs without worrying about the internal complexity. 

shuffle

noun
  • A trick; an artifice; an evasion. 

  • An instance of walking without lifting one's feet. 

  • The act of shuffling cards. 

  • A rhythm commonly used in blues music. Consists of a series of triplet notes with the middle note missing, so that it sounds like a long note followed by a short note. Sounds like a walker dragging one foot. 

  • The act of reordering anything, such as music tracks in a media player. 

  • A dance move in which the foot is scuffed across the floor back and forth. 

verb
  • To put in a random order. 

  • To remove or introduce by artificial confusion. 

  • To shove one way and the other; to push from one to another. 

  • To change; modify the order of something. 

  • To change one's position; to shift ground; to evade questions; to resort to equivocation; to prevaricate. 

  • To move in a slovenly, dragging manner; to drag or scrape the feet in walking or dancing. 

  • To use arts or expedients; to make shift. 

How often have the words black box and shuffle occurred in a corpus of books? (source: Google Ngram Viewer )