Quantities meaning : 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. An indefinite amount of something. A specific measured amount. A considerable measure or amount. Property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed as number and a reference. Indicates that the entire preceding expression is henceforth considered a single object.