What is google bot? i think it is web crawler. is it right?

google bot is a crawler for google.

    Googlebot is the search bot software used by Google, which collects documents from the web to build a searchable index for the Google..

It's a spider that crawls your web content for information to bring back to their Index. Based on what the Google Bot (spider) brings back determines what information you have on your website and one of the most important factors in determining how valuable your website is to search results.

Googlebot is the search bot software used by Google, which collects documents from the web to build a searchable index for the Google search engine as explained by Google.

Google bot is analgorithm that crawls your web pagestocollect information and show results in serp according to user's query.

googlebot is a web crawler of google.