Symbol of a Sudden Idea or Realization

This page is the CodyCross answer for the clue below from Working From Home, Group 1224, Puzzle 3 (Chat Groups).

Question is: Symbol of a Sudden Idea or Realization

and the answer is: LIGHTBULB

Word Meaning:

LIGHT BULB — An evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light.

Definitions from Wiktionary.

Symbol of a sudden idea or realization — CodyCross Answer | CodyCross Solutions