Onions can make people cry
From ICO wiki
Intro
This wiki will cover the most important aspects of Tor: the free and open-source software that enables anyone to communicate anonymously on the internet. The article will contain a little about the deep, dark and surface web, why use Tor and what is for, the history of Tor, a closer look on how Tor actually works and the legal and illegal aspects of the web browser.
The tree webs
The World Wide Web (WWW) consists of multiple parts named: deep, dark and surface web.
Surface web