What N the world ?

No destination? Transportation obviously air, but where does it go? Why isn't most of it lengthy instead of short? Symptoms are aging, forgetfulness and memorable events. It can create wealth, patience, a growing love, knowledge, peace, war, and too many measurables to mention. It's been found in a bottle, on a magazine,it can be current,official,and ancient. It generally refers to the concept of a universal process or medium which allows all physical changes in the present to become events in the past. It is also a matter of significant social importance, having economic value. It has motion,phases,and swings. It has standards and units, and is appointed for everything. What N the world do we do with it and where has it gone? Did you guess? - just N time.