Difference exist between what is right, and harmonising what is right. The kind of similar differences similar between anolog and digital...
Analog (electronics)
Of a circuit or device in which the value of a data item is represented by a continuously variable physical quantity rather than digitally
"analog device"
Digital (electronics)
Of a circuit or device that represents magnitudes in discrete units of a physical quantity, as compared to using an analogue system
"digital computer"