Related Clues:

• "Ah, of course"
• 'Ohhhhh'
• "Ohhhhh"
• Words of comprehension, and a phonetic hint for the answers to the starred clues
• "Duly noted"
• Tennis great Federer
• “That makes sense now”
• 'Duly noted'
• 'Ah, that makes sense now'
• “That clears things up”
• "Thanks for explaining"
• “Now it makes sense”
• "Aha! Say no more"
• "Interesting ..."
• In communications I understand a man