Finding the volume of an object can help us to determine the amount required to fill that object like the amount of water needed to fill a bottle an aquarium or a water tank. It depends on the shape. Volume is the number of shares traded in a companys stock or in an entire market over a specified period typically a day.
The amount that something can hold.
The metric system uses the liter L as a volume unit. For example two shoe boxes together have twice the volume of a single box because they take up twice the amount of space. Here the blocks and books take up space. Its applied to certain measurable subsets of R3 ie.