Crossword puzzle clue "up and down signals"

Here are the possible solutions for up and down signals clue

Answer
Clue
Relevancy
nods
Clue
Up-and-down signals
Definition
NOD, to give a quick forward motion of the head
flags
Clue
Signals to stop, with "down"
Definition
FLAG, to mark with a cloth used as a symbol
messcalls
Clue
"Come and get it" signals in the Army
nonvocal
Clue
Like shrugs and nods, as signals go
Definition
not vocal
aka
Clue
Abbreviation that signals an alias
Definition
(Maori) a New Zealand vine
alarms
Clue
Warning signals
Danger signals
Signals for firefighters
Definition
ALARM, to strike with fear

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