What does absolute volume mean?
Absolute value is the magnitude of a real number without regard to it's sign.
magnitude:
real number: real numbers include whole numbers(like 1,2,3,4 etc.....),rational numbers(like 3/4, 0.125, .33333), and last but not least irrational numbers(like 3.14,✓3,etc.)
And there are also some special numbers that mathematicians play with that aren't Real Numbers.
