What is Google Bots
 

Google bots are search engine bots that visits every website (every page) and perform scanning weather it's safe or not, check quality of the webpage, check backlinks, index them and many other things.

Yes..You are right..

Re:
 

Basically Google bot is also called spider, robot, indexer as well as web crawler. It is a tool used by search engine, which is collect data about web pages from web and create an order and searchable database of index for search engine.