To fully define a variable one needs to mention not only its ‘type’ but also its ‘other properties’. In other words, not only do all variables have a data type, they also contain other properties....

To fully define a variable one needs to mention not only its ‘type’ but also its ‘other properties’. In other words, not only do all variables have a data type, they also contain other properties. Explain the concept that will help us to describe the properties of any variable.