What does the cryptic crossword clue "A tired caterer's wandered in zone barred to the public (10,4)" mean?

The wordplay uses an anagram. anagram of A + TIRED + CATERER'S = RESTRICTEDAREA The answer is RESTRICTEDAREA.

A tired caterer's wandered in zone barred to the public (10,4)

Daily Mail Cryptic #17372 | 1 Down | 2024-06-04 flower