Crossword puzzle clue "subtle signal"

Here are the possible solutions for subtle signal clue

Answer
Clue
Relevancy
hint
Clue
When repeated, a subtle (or sometimes not-so-subtle) comment
Definition
to suggest indirectly
nod
Clue
Subtle signal
Subtle auction signal
Definition
to give a quick forward motion of the head
psst
Clue
Subtle signal
Definition
an interjection used to attract attention, also PST
wink
Clue
Subtle signal
Subtle facial signal
ahem
Clue
Subtle "Excuse me . . ."
Subtle warning sound
Definition
a sound expressing delicate interruption

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