What does the cryptic crossword clue "Engineer got a clue about a systematic list (9)" mean?

The definition is "list". The wordplay uses an anagram. anagram of GOT + A + CLUE + A = CATALOGUE; definition: "list" The answer is CATALOGUE.

Engineer got a clue about a systematic list (9)

Daily Mail Cryptic #17235 | 16 Down | 2023-11-23 flower