Related Clues:

• "So that's what that means!"
• Dickensian exclamation
• Realization vocalization
• 'Take on Me' group
• 'A clue!'
• Light-dawning exclamation
• It's said when a light bulb goes on
• What this puzzle may make you say
• It might be heard when a light bulb goes on
• Word said just before solving a tricky clue
• Exclamation when a light goes on?
• It may be expressed in a moment
• Surprised expression
• 'Oh, I see!'
• "What do we have here?"