Related Clues:

• 'Oh, got it now'
• "Ah, of course!"
• "No need to explain!"
• "Ah, makes sense!"
• “Ah, gotcha...”
• 'This makes sense'
• Listener's reply
• "That explains it"
• 'Ahh'
• Comment of comprehension
• “Oh, that makes sense”
• “Ohhh!”
• “That makes sense”
• 'Sure, that makes sense'
• "___ skies of blue and clouds of white" ("What a Wonderful World" lyric)