Definition: A fundamental, generic term used when referring to the measurement (count, amount) of a scalar, vector, number of items or to some other way of denominating the value of a collection or group of items.

Alright class, settle down now, let’s take a look today, At a word that's quite important, in a scholarly way. We’re talking about “quantities,” you see, it's true, And understanding this means so much for you! The dictionary gives us a clue, a helpful line, “A fundamental, generic term, truly divine!” Let’s break that down with a little rhyme, To make this concept perfectly prime: It’s about how much or how many , it’s plain to see, Like counting apples – one, two, three! Or maybe a tree? “Scalar” and “vector,” don't you fret, Just think of things that have a measurable set. A number of items, like books in a stack, Or the amount of sugar, there’s no turning back! It can even be groups, a collection so grand, Denoting the value, across the land! So “quantities” means measuring with care, The count and the amount, beyond compare. Do you have any questions? Don't hesitate to ask, Let’s make sure this understanding is built to last!