United States Economy
This image shows competition. Apple and Android are competing to get the best products at the cheapest prices.
This is a market, the place where goods and services are exchanged. It allows for competition, and prices are determined there.
There is voluntary exchange taking place here. One man is getting fish, and the other is getting gold. They are both getting what they want, and are both freely willingy engaging in the market transaction.
This represents private property. The person has the right to own his real property without undue interference from the government.