Related Clues:

• Self-referential, like this clue
• "Physical" intro
• "Physical" prefix
• Self-referential, in current lingo
• Self-referential, slangily
• Like a footnote that explains footnotes
• ''Beyond'' prefix
• Like a clue that refers to itself
• Referring to a clue within the clue, e.g
• 'I never — man I didn't like'
• Prefix for 'tarsal'
• Prefix for 'physics' or 'data'
• Cleverly self-referential
• ''Simple Simon __ pieman . . .''
• Like self-referential clues