What does the cryptic crossword clue "Note chap that's reconstructed commemorative monument (8)" mean?

The definition is "monument". The wordplay uses an anagram. anagram of NOTE + CHAP = CENOTAPH; definition: "monument" The answer is CENOTAPH.

Note chap that's reconstructed commemorative monument (8)

Daily Mail Cryptic #17258 | 1 Across | 2023-12-27 flower