What does the cryptic crossword clue "Smart behaviour: vital part needs twist to work (5-10)" mean?

This cryptic clue uses wordplay to arrive at the answer. Visit the page for progressive hints — definition, wordplay type, and a full step-by-step explanation.

Smart behaviour: vital part needs twist to work (5-10)

Guardian Cryptic #29910 | 12 Across | 2026-01-22 flower

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