Where did you get that definition of Robbery?
According to the Florida Statutes, the definition of the crime of Robbery includes the term " or putting in fear ".
Thus if someone approaches you, and demands " give me all your money " in a threatining manner, that would constitute putting you in " fear " and thus cause the act to be a Robbery.
The difference between Theft ( Larceny ) and Robbery according to the Florida Statutes is:
As far as using deadly force against a " Theft " or a " Robbery " :