Related Clues:

• Wise expression to some degree shows that you've understood
• 'Copy that!'
• "___ what you did there!"
• "Ah, makes sense now"
• "All clear now"
• "Oh, OK!"
• "Got it now"
• "Ah, now it's clear!"
• "It's all clear to me now" (2 words)
• "So it is!"
• "Ah, makes sense"
• "Oh, gotcha"
• I hear you, Mister Federer!
• "You understand?"
• "I understand"