What is Public ?
Public is (adj) referring to the people in general The crown jewels are on public display in the Tower of London. It’s in the public interest that the facts should be known. (noun) 1. people in general The public have the right to know what is going on. the travelling public people who travel frequently the great British public the British people (humorous) general public 2. in public in the open; in front of everyone This is the first time he has appeared in public since his accident. I dare you to repeat those remarks in public. to go public 1. to tell something to everyone After the leaks to the press, the government finally went public on the proposal. 2. to sell shares in a private or nationalised company on the stock exchange The plan is for the company to go public next year.
source: Easier English, Student Dictionary Upper Intermediate Level