Flash of inspiration (6,4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">flash of inspiration</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for idea that I've seen before include "Plato's Form is" , "Content of cognition" , "Light bulb above head" , "Intention" , "Aim" .)