What is the difference between microeconomics and macroeconomics?

Microeconomics can be defined as a branch of economics where the behavior of individuals and small impacting organizations are studied, where each of these decisions are allocated of limited resources. Microeconomics looks at these behaviors and investigates how it affects the supply and demand of the goods and how this affects the pricing. Macroeconomics studies the total economic activity regarding growth, inflation and unemployment and can deal with national economic policies.