The art of persuading, Rhetoric is the art of speaking or writing effectively. It can also mean skill in effective speaking or writing.
According to Princeton's online dictionary:
using language...
The ancient Germanic tribes and the ancient Scandinavians used runes as an alphabet. Prior to that, they used runes for magic purposes, such as casting lots (divination) and spells of protection.
A model aeroplane is used for presentations and testing. Model planes are also used for fun. They are used model-plane clubs, aeroplane company headquarters and studios. (Bedroom, in my house)