While smoke signals were often pre-arranged codes to maintain secrecy between specific groups, some basic meanings became widely recognized: : Attention. Two Puffs : All is well.

This "rule of three" for distress is still taught today by organizations like the Boy Scouts of America and is used by hunters and outdoorsmen as a universal signal for help, whether through smoke, whistles, or gunshots. Alternative Meanings

In various historical and survival contexts, the specific signal of or three fires in a row traditionally signifies danger, trouble, or a call for help .

: Distress, help, or an alarm of approaching enemies.