Difference between micro or macro?

Micro- is a prefix which means small, reduced, magnifying. As a unit of measure, micro- means one millionth part of. Micro- is derived from the Greek mikros, meaning small, trivial, slight, petty, trivial. Micro- is a prefix which may be applied to word when describing something that is small scale.

Macro- is a prefix which means large, over a long period, the big picture. Macro- comes from the Greek makros, meaning long, abnormally long. Macro- is a prefix which may be applied to word when describing something is large scale.