What does the cryptic crossword clue "Scrap part of audiotape (4)" mean?

The definition is "Scrap". The wordplay uses a hidden word. Hidden in [part of] {aud}IOTA{pe} The answer is IOTA.

Scrap part of audiotape (4)

Times Cryptic #29000 | 13 Across | 2024-08-20 flower