Distinguish between private and a public company?

Distinguish between private and a public company?
There is a significant difference between the public limited company and the private limited company,
The Public limited comany has share holder.
Its has to be registed in the stock exchange of the country
Its has to submit many legal documents to the commission
Its has to trade the shares in the stock exchange
The ownership is in the hands of share holders

And in private company,they are not liable to register with stock exchange
and etc