What does the cryptic crossword clue "Field events to be rearranged? That's very clear (4,7)" mean?

The definition is "clear". The wordplay uses an anagram. anagram of FIELD + EVENTS = SELFEVIDENT; definition: "clear" The answer is SELFEVIDENT.

Field events to be rearranged? That's very clear (4,7)

Daily Mail Cryptic #17270 | 19 Across | 2024-01-12 flower