Southpaw is a boxing term that designates the stance where the boxer has his right hand and right foot forward, leading with right jabs, and following with a left cross right hook. Southpaw is the normal stance for a left-handed boxer.
Because the American system of measurement is very similar to the British imperial system, units are also commonly referred to as imperial units. The units have many different origins.
This means that 1 meter is the standard used for the measurement of the length and that measured length is 5 times greater than the length of 1 meter. The unit of measurement is defined as the standard used for the measurement of the physical quantity. In the above example of the length of the rod, meter is the unit of measurement of length, while the number 5 which gives the amount of the length is called as magnitude of length.