What is a command economy?

the best answer to make it more better to understand is

  • an economic system in which the government controls and regulates production, distribution, prices, etc.

and command economy or planned economy is a noun
A command economy is an economic method where the price and supply of products are set and regulated by the government. The command economy is a key feature of a communist society.
A command economy is when the government owns all the businesses, make all the prices,and tell who gets to work there(under option). For example....

Say Germany is under a command economy by the US. The Us does all their businesses and owns all them,makes all the prices and tells show works there.

But a market economy is when anyone can own the business.