The most common and most likely answer to this crossword clue is the 10 letter word NARRATIONS
I've seen this crossword clue in The Daily Telegraph
N
A
R
R
A
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More clues leading to the result NARRATIONS
Buddy explains!

The straight part
We know that "Relations" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case relations = narrations.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 NARRATIONS mean?
NARRATIONS noun- The act of recounting or relating in order the particulars of some action, occurrence, or affair; a narrating.
- That which is narrated or recounted; an orderly recital of the details and particulars of some transaction or event, or of a series of transactions or events; a story or narrative.
- That part of an oration in which the speaker makes his or her statement of facts.