Physical property of a material or system that can be qualified or measured using numbers
Physical quantity
Physical quantities that cannot be derived in terms of other physical quantities
Base quantity
Physical quantities derived from base quantities by multiplication or division or both
Derived quantity
They do not depend on other physical quantities for their measurements
Fundamental quantity
One set of fundamental units in a system of measurement
Base unit
Unit adopted for measurement if base quantity
Fundamental unit
metric system that is used universally as a standard unit
SI unit