The short and quick definition is the application that you use to browse the web and look at web pages like YouTube, Facebook amazon etc. The more longer definition is a that a web browser is a software that lets you view pages created with HTML, CSS and JavaScript.

These web pages live on computers (i.e. servers) and you access them through a web browser such as Google Chrome, Firefox, Safari and MS Edge.

major-browsers

All of these browsers can connect to the Internet to retrieve web pages from remote web servers.

In the background web browsers really do a lot, including making requests to web pages, parsing data and presenting the web page by turning the HTML, CSS and JavaScript code into a visually appealing web page that users can view.

No matter which browser that you choose, you will be able to browse all the web pages that are available on the WWW.