26 across
Order
Andrew’s
source
to
meet
King
Charles,
say
(5)
Order Andrew’s source to meet King Charles, say (5)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
Order is your definition there, meaning an arrangement. Start with A, the source of Andrew (first letter), add R for King (that's rex), then tack on RAY for "Charles, say" — Ray Charles being the example given — and stringing them together gets you there.