What does the cryptic crossword clue "Disturbing end with Lear getting to rule? (4,3,4)" mean?

The wordplay uses an anagram. anagram of END + WITH + LEAR = DRAW THE LINE The answer is DRAW THE LINE.

Disturbing end with Lear getting to rule? (4,3,4)

Times Cryptic #28104 | 8 Down | 2021-10-09 flower