This forum is so informative for me i have same question but can't be satisfied to know a little bit knowledge about this topic but here i got it.Thank you.

Crawling is the process performed by googlebot search engine crawler, when searching for websites on the index. For instance,Google is constantly sending out spiders which is a search engine's automatic navigator to discover which websites contain the most relevant information related to certain keywords.

Google bot is to crawl the website and web pages is to store their information...

Crawl is a search engine robot which fetch to website.

I Strongly agree with you. This process apply on every bot

crawling is all about search engine indexing your posts and getting them appear on search result when someone search for such related keywords.

Crawling means the search engine robot crawl or fetch the web pages.

Google crawl your website content and rate them according to search