What does the cryptic crossword clue "Rewriting duet with lyric displaying naivety (9)" mean?

The definition is "naivety". The wordplay uses an anagram. anagram of DUET + LYRIC = CREDULITY; definition: "naivety" The answer is CREDULITY.

Rewriting duet with lyric displaying naivety (9)

Guardian Cryptic #29215 | 14 Across | 2023-10-31 flower