What does the cryptic crossword clue "Dancer in Opal van — a van wrecked (4,7)" mean?

The wordplay uses an anagram. anagram of OPAL + VAN + A + VAN = ANNAPAVLOVA The answer is ANNAPAVLOVA.

Dancer in Opal van — a van wrecked (4,7)

Independent Cryptic #11662 | 14 Across | 2024-02-26 flower