Related Clues:

• "Got it"
• 'It's clear now'
• Reaction to pyrotechnics
• "La la" lead-in
• Sound of admiration
• "Wonderful!"
• ''Understood''
• "Gotcha!"
• Excited reaction
• ''Aha!''
• 'Now it's clear'
• ''Yes, that's clear''
• Kin of ''Wow!''
• Word of amazement
• "Impressive!"