different between smokeandmirrors vs smokescreen

English

From smoke +? screen.

smokescreen (plural smokescreens)

Smoke used as a disguise, mask or cover, as of troops in battle.
- 1951, Herman Wouk, The Caine Mutiny, Garden City, NY: Doubleday, Chapter 25, Part 5, p. 284,^[1]
  Ensign Whitely began to tell of the surprise encounter of Admiral Sprague’s escort-carrier force with the main battle line of the Japanese Navy off Samar, in a chaos of rain squalls and smoke screens.
(figuratively) Anything used metaphorically to conceal or distract.
- 1968, Desmond Bagley, The Vivero Letter, Garden City, NY: Doubleday, Chapter 8, p. 163,^[2]
  It was all very plausible and, as he poured out his smokescreen of words, I became fidgety for fear Fallon would be too direct with him.

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