What is the Cubic Meter ?

Source: www.trenchlesspedia.com

" A cubic meter is a volume made by a perfect cube of length, breadth, and height of 1 meter each. It is a unit of measurement and is denoted by the symbol m³. The unit is used to measure the amount of stuff whether liquid or solid, that can be fitted into the cube, also known as the volume of the cube (...) "