What is the meaning of flashing?

noun

• A short vivid experience.
  • usage: "a flash of emotion swept over him"; "the flashings of pain were a warning"
  • synonyms: flash
• Sheet metal shaped and attached to a roof for strength and weatherproofing.

verb

• Gleam or glow intermittently.
  • usage: "The lights were flashing"
  • synonyms: flash, blink, wink, twinkle, winkle
• Appear briefly.
  • usage: "The headlines flashed on the screen"
  • synonyms: flash
• Display proudly; act ostentatiously or pretentiously.
  • usage: "he showed off his new sports car"
  • synonyms: flaunt, flash, show off, ostentate, swank
• Make known or cause to appear with great speed.
  • usage: "The latest intelligence is flashed to all command posts"
  • synonyms: flash
• Run or move very quickly or hastily.
  • usage: "She dashed into the yard"
  • synonyms: dart, dash, scoot, scud, flash, shoot
• Expose or show briefly.
  • usage: "he flashed a $100 bill"
  • synonyms: flash
• Protect by covering with a thin sheet of metal.
  • usage: "flash the roof"
  • synonyms: flash
• Emit a brief burst of light.
  • usage: "A shooting star flashed and was gone"
  • synonyms: flash