What is Cloaking ?

Somebody please brief..

Cloaking is the SEO technique that refers presenting different contents and urls to human users & search engines.

Cloaking is a technique to make fool to search engines.Cloaking serves different content to search engines and differ to visitors.

Cloaking is black hat seo technique which involves having the different pages for humans and user agents.

Cloaking is a spamming search engine optimization (SEO) technique ,some webmasters use to show the content of their sites to the search engine spider so they could rank higher for their keywords.