The most common and most likely answer to this crossword clue is the 5 letter word DIARY
I've seen this crossword clue in The Daily Telegraph
D
I
A
R
Y
More clues leading to the result DIARY
- Nobody wrote one in the nineteenth century
- Record attack written up with accuracy, ultimately
- Daily record of dairy manufacture
- Record why Sally’s left
- Record of homework filled in by up-and-coming artist
- Daily Record’s inflammatory? Not half
- Log some of military raids northwards
- Sally going over year in journal
- Journal has boring wrapper, one article inside
- Period regularly covering individual’s recollections, primarily in this?
Buddy explains!

The straight part
We know that "journal" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case journal = diary.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 DIARY mean?
DIARY noun- A daily log of experiences, especially those of the writer.
- A personal organizer or appointment diary.
- To keep a diary or journal.
- Lasting for one day.