Definition of Goods - Micro-economics

Substitute good - Good that satisfy the same need

e.g Original Good is Coffee - Substitute Good is Tea

Original Good is a Car - Substitute would be a bike

Normal Good - Is a good which has a positive relationship between income and quantity demanded;

e.g 

Complementary good - is something that the you must have for the original good to be valid/work;

e.g. Original Good is Cars…