A unit is a fixed and standardized measure used to express a quantity of a particular physical property or attribute. Units allow us to compare and communicate measurements effectively. They provide a common language for expressing quantities in a consistent and understandable manner. Units can be used to measure various attributes such as length, mass, time, temperature, and more.
A unit symbol is a specific notation or abbreviation used to represent a particular unit of measurement.Unit symbols are designed to be concise and easily recognizable, making them efficient for use in calculations, scientific notations, and everyday applications.