Lynx is a text-based web browser

Text-based web browser

A text-based web browser is a web browser that renders only the text of web pages, and ignores graphic content. Usually, they render pages faster than web browsers that include graphics because graphics need more bandwidth than text....

 for use on cursor-addressable character cell terminals

Computer terminal

A computer terminal is an electronic or electromechanical hardware device that is used for entering data into, and displaying data from, a computer or a computing system...

 and is very configurable.
Browsing in Lynx consists of highlighting the chosen link using cursor keys, or having all links on a page numbered and entering the chosen link's number. Current versions support SSL and many HTML

HTML

HyperText Markup Language is the predominant markup language for web pages. HTML elements are the basic building-blocks of webpages....

 features. Tables are formatted using spaces, while frames are identified by name and can be explored as if they were separate pages.