Brief written record (4)
I believe the answer is:
note
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">brief written record</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for note that I've seen before include "Heed; short letter" , "Short informal letter" , "Memo; piano key" , "Short message; tone" , "Observe; paper money" .)