Related Clues:

• Nothin' at all
• "___-A-Dee-Doo-Dah"
• Last line of Gettysburg address?
• Essential element of dot-com transactions
• Daily sorting criterion
• Postal codes, for short
• '___ your lip!'
• Toothed fasteners
• Compress, as a file
• ___ code (number on a letter)
• Mailing code
• 90210, for one
• Letter digits
• 90210, e.g
• City and state follower