Information stored about a turbulent life? (4)

I believe the answer is:

file

I'm a little stuck... Click here to teach me more about this clue!

'information' is the definition.
(file is a kind of information)

'stored about a turbulent life?' is the wordplay.
'life' anagrams to 'FILE'.
But, I am not sure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for file that I've seen before include "(Set of) documents- line" , "Cutting tool or line of people" , "Dosssier" , "Smoothing tool; organised data" , "Folder; line" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.