Related Clues:

• 'Ah, now it's clear'
• 'Oh, got it!'
• "So THAT's what's going on here!"
• -- Federer, Swiss tennis player
• "That's understood"
• Fortune-teller's intro
• Federer of tennis
• With 39-Across, *1973-85
• Name before "over and out"
• 'So THAT'S what you mean'
• "So THAT'S what you mean"
• Kenny Chesney "When ___ This Bar"
• Last two words of "Amazing Grace"
• ''Good to know''
• '__ skies of blue and clouds of white ... ': 'What a Wonderful World'