What does the cryptic crossword clue "It lets you have a say on boards? (8,4)" mean?

The definition is "It lets you have a say on boards?". The wordplay uses a cryptic definition. Cryptic definition The answer is SPEAKINGPART.

It lets you have a say on boards? (8,4)

Guardian Cryptic #29275 | 17 Across | 2024-01-10 flower