Consumer behaviour concept and importance

What are the concepts of consumer Behaviour?
Consumer behavior is the study of how individual customers, groups or organizations select, buy, use, and dispose ideas, goods, and services to satisfy their needs and wants.
It refers to the actions of the consumers in the marketplace and the underlying motives for those actions..
What is the concept and importance of consumer?
Consumers pay some amount of money (or equivalent) for goods or services.) then consume (use up).
As such, consumers play a vital role in the economic system of a capitalist system and form a fundamental part of any economy..
What is the concept of consumer buying behavior?
Consumer buying behavior is the sum of a consumer's attitudes, preferences, intention, and decisions regarding their behavior in the marketplace when buying a product or service.
Marketers use data to learn consumer buying behaviors in order to connect and market their products to consumers and increase revenue..

What are the concepts of consumer Behaviour?