The most common and most likely answer to this crossword clue is the 7 letter word LOGBOOK
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Buddy explains!
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does LOGBOOK mean?
LOGBOOK noun- A book in which measurements from the ship's log are recorded, along with other salient details of the voyage.
- (by extension) A book in which events are recorded; a journal, especially of travel.
- A record of the ownership, and licensing of a motor car