The most common and most likely answer to this crossword clue is the 10 letter word RELATIONAL
I've seen this crossword clue in The Sunday Telegraph
R
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Buddy explains!
The straight part
We know that "concerning how connections are made" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case concerning how connections are made = relational.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 RELATIONAL mean?
RELATIONAL adjective- Relating to relations.
- Friendly and peaceful.
- Of a database technology using tables and the principles set forth by Dr. Edgar F. Codd. (Contrary to popular notion, "relation" in this context refers to tables, and not linkages.)
- (aesthetics) Dealing with the whole of human relations and their social context, rather than an independent and private space.