Quantification of margins and uncertainties is like measuring how much extra room you have in your house or how accurate your measurements are. When quantifying margins and uncertainties, you are trying to figure out how much extra room or space you have or how accurate your measurements are. For example, if you are making a cake and measuring the ingredients, you might want to know how exact or close your measurements have to be. Quantifying margins and uncertainties helps you figure out how exact you need to be.