What does the cryptic crossword clue "Reason I'm confused with vote (6)" mean?

The definition is "Reason". The wordplay uses an anagram. anagram of I'M + VOTE = MOTIVE; definition: "Reason" The answer is MOTIVE.

Reason I'm confused with vote (6)

Times Cryptic #28711 | 6 Down | 2023-09-18 flower