
1) Alarms 2) Alerts 3) Cues 4) Motionsto 5) Nods at 6) Qqqq
Found on
https://www.crosswordclues.com/clue/signals

1) Bridge stratagems 2) Heralds 3) High-low ploys in bridge 4) Meaningful gestures 5) Prepares to turn 6) Railroad crossing fixtures 7) Turn indicators 8) Uses semaphore 9) Warns about an impending turn 10) Winks and flares
Found on
https://www.crosswordclues.com/clue/signals

Any sign or indication of something. Key economic indicators act as pointers to where an economy is heading. Buyers and sellers also give signals, e.g. very low attendance at football matches are a signal to suppliers that consumers want something better.
Found on
http://www.encyclo.co.uk/local/20140

The means by which the umpires communicate their decisions to the scorers and players. They sound - and sometimes look - curiously masonic, but with the exception of the strange and pointless One Short signal, serve their purpose well. David Shepherd's (see also Nelson) variation on the leg-bye signal is worth the admission fee on its own.
Found on
http://www.wandererscricket.com/glossary.html

commands
Found on
https://sciencetrek.org/sciencetrek/topics/television/glossary.cfm
No exact match found.