Related Clues:

• Nonmainstream, briefly
• Abbr. in a cockpit
• Key near Ctrl
• Delaware has the lowest mean one in the U.S.: Abbr
• Substitute, briefly
• PC shortcut key
• It's to the right of the Windows key
• __-country music
• Soda shop purchase
• Key that does nothing alone
• Hgt. above ground
• Modifier key, typically to the left of the space bar
• Height above sea level: Abbr
• Key under Z and X
• Key used in combos