What lesson does scout learn from calpurnia?

Calpurnia, If I am not mistaken- and she was a minor character in the l934 version of (Cleopatra) was the wife of Julius Caesar. (Scoutism) was utterly unknown when the Great Caesar waged his campaigns against Gaul- The Gallic wars. There may have been forward observers, as in all wars, but no Roman Word for (Scout).